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Round 9,614,018,007 to the nearest ten million.

  1. We are rounding to the nearest ten million.
    9,614,018,007, with the first 1 labeled, ten millions position.
  2. Observe the digit immediately to the right of the ten millions position. It is 4. Since 4 is less than 5, we round down by replacing 4 and all the digits to its right with zeros.
    9,610,000,000

Thus, 9,614,018,007 rounded to the nearest ten million is 9,610,000,000.

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Round 148,422 to the nearest million.

  1. Since we are rounding to the nearest million, we'll have to imagine a digit in the millions position. We'll write 148,422 as 0,148,422.
    0,148,422, with the 0 labeled, millions position.
  2. The digit immediately to the right is 1. Since 1 is less than 5, we'll round down by replacing it and all the digits to its right with zeros.
    0,000,000
    This number is 0.

Thus, 148,422 rounded to the nearest million is 0.

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Round 397,000 to the nearest ten thousand.

  1. We are rounding to the nearest ten thousand.
    397,000, with the 9 labeled, ten thousand position.
  2. The digit immediately to the right of the ten thousand position is 7. Since 7 is greater than 5, we round up by replacing 7 and all the digits to its right with zeros and adding 1 to the digit in the ten thousands position. But 9 + 1 = 10 and we must carry the 1 to the next (the hundred thousands) position.
    400,000

Thus, 397,000 rounded to the nearest ten thousand is 400,000.

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Practice set a

Use the method of rounding whole numbers to solve each problem.

Round 3387 to the nearest hundred.

3400

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Round 26,515 to the nearest thousand.

27,000

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Round 30,852,900 to the nearest million.

31,000,000

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Round 39 to the nearest hundred.

0

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Round 59,600 to the nearest thousand.

60,000

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Exercises

For the following problems, complete the table by rounding each number to the indicated positions.

1,642

hundred thousand ten thousand million
hundred thousand ten thousand million
1,600 2000 0 0
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5,221

hundred thousand ten thousand million
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91,803

Hundred thousand ten thousand million
Hundred thousand ten thousand million
91,800 92,000 90,000 0
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106,007

hundred thousand ten thousand million
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208

hundred thousand ten thousand million
hundred thousand ten thousand million
200 0 0 0
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199

hundred thousand ten thousand million
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863

hundred thousand ten thousand million
hundred thousand ten thousand million
900 1,000 0 0
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794

hundred thousand ten thousand million
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925

hundred thousand ten thousand million
hundred thousand ten thousand million
900 1,000 0 0
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909

hundred thousand ten thousand million
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981

hundred thousand ten thousand million
hundred thousand ten thousand million
1,000 1,000 0 0
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965

hundred thousand ten thousand million
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551,061,285

hundred thousand ten thousand million
hundred thousand ten thousand million
551,061,300 551,061,000 551,060,000 551,000,000
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23,047,991,521

hundred thousand ten thousand million
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106,999,413,206

Hundred thousand ten thousand million
hundred thousand ten thousand million
106,999,413,200 106,999,413,000 106,999,410,000 106,999,000,000
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5,000,000

hundred thousand ten thousand million
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8,006,001

hundred thousand ten thousand million
Hundred Thousand ten thousand Million
8,006,000 8,006,000 8,010,000 8,000,000
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94,312

hundred thousand ten thousand million
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33,486

hundred thousand ten thousand million
hundred thousand ten thousand million
33,500 33,000 30,000 0
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560,669

hundred thousand ten thousand million
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388,551

hundred thousand ten thousand million
hundred thousand ten thousand million
388,600 389,000 390,000 0
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4,752

hundred thousand ten thousand million
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8,209

hundred thousand ten thousand million
hundred thousand ten thousand million
8,200 8,000 10,000 0
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In 1950, there were 5,796 cases of diphtheria reported in the United States. Round to the nearest hundred.

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In 1979, 19,309,000 people in the United States received federal food stamps. Round to the near­est ten thousand.

19,310,000

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In 1980, there were 1,105,000 people between 30 and 34 years old enrolled in school. Round to the nearest million.

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In 1980, there were 29,100,000 reports of aggra­vated assaults in the United States. Round to the nearest million.

29,000,000

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For the following problems, round the numbers to the posi­tion you think is most reasonable for the situation.

In 1980, for a city of one million or more, the average annual salary of police and firefighters was $16,096.

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The average percentage of possible sunshine in San Francisco, California, in June is 73%.

70% or 75%

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In 1980, in the state of Connecticut, $3,777,000,000 in defense contract payroll was awarded.

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In 1980, the federal government paid $5,463,000,000 to Viet Nam veterans and depen­dants.

$5,500,000,000

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In 1980, there were 3,377,000 salespeople em­ployed in the United States.

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In 1948, in New Hampshire, 231,000 popular votes were cast for the president.

230,000

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In 1970, the world production of cigarettes was 2,688,000,000,000.

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In 1979, the total number of motor vehicle regis­trations in Florida was 5,395,000.

5,400,000

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In 1980, there were 1,302,000 registered nurses the United States.

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Exercises for review

( [link] ) There is a term that describes the visual displaying of a number. What is the term?

graphing

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( [link] ) What is the value of 5 in 26,518,206?

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( [link] ) Write 42,109 as you would read it.

Forty-two thousand, one hundred nine

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( [link] ) Write "six hundred twelve" using digits.

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( [link] ) Write "four billion eight" using digits.

4,000,000,008

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Questions & Answers

A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20 m. If the golfer hits the ball at an angle of 40° with an initial speed of 20 m/s, how close to the green does she come?
Aislinn Reply
cm
tijani
what is titration
John Reply
what is physics
Siyaka Reply
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance
Jude Reply
Can you compute that for me. Ty
Jude
what is the dimension formula of energy?
David Reply
what is viscosity?
David
what is inorganic
emma Reply
what is chemistry
Youesf Reply
what is inorganic
emma
Chemistry is a branch of science that deals with the study of matter,it composition,it structure and the changes it undergoes
Adjei
please, I'm a physics student and I need help in physics
Adjanou
chemistry could also be understood like the sexual attraction/repulsion of the male and female elements. the reaction varies depending on the energy differences of each given gender. + masculine -female.
Pedro
A ball is thrown straight up.it passes a 2.0m high window 7.50 m off the ground on it path up and takes 1.30 s to go past the window.what was the ball initial velocity
Krampah Reply
2. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (0.20) at constant velocity by a force directed 25° above the horizontal. Calculate (a) the work of the applied force, (b) the work of friction, and (c) the total work.
Sahid Reply
you have been hired as an espert witness in a court case involving an automobile accident. the accident involved car A of mass 1500kg which crashed into stationary car B of mass 1100kg. the driver of car A applied his brakes 15 m before he skidded and crashed into car B. after the collision, car A s
Samuel Reply
can someone explain to me, an ignorant high school student, why the trend of the graph doesn't follow the fact that the higher frequency a sound wave is, the more power it is, hence, making me think the phons output would follow this general trend?
Joseph Reply
Nevermind i just realied that the graph is the phons output for a person with normal hearing and not just the phons output of the sound waves power, I should read the entire thing next time
Joseph
Follow up question, does anyone know where I can find a graph that accuretly depicts the actual relative "power" output of sound over its frequency instead of just humans hearing
Joseph
"Generation of electrical energy from sound energy | IEEE Conference Publication | IEEE Xplore" ***ieeexplore.ieee.org/document/7150687?reload=true
Ryan
what's motion
Maurice Reply
what are the types of wave
Maurice
answer
Magreth
progressive wave
Magreth
hello friend how are you
Muhammad Reply
fine, how about you?
Mohammed
hi
Mujahid
A string is 3.00 m long with a mass of 5.00 g. The string is held taut with a tension of 500.00 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?
yasuo Reply
Who can show me the full solution in this problem?
Reofrir Reply
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Source:  OpenStax, Fundamentals of mathematics. OpenStax CNX. Aug 18, 2010 Download for free at http://cnx.org/content/col10615/1.4
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