5.7 Simplify and use square roots  (Page 6/8)

Why is there no real number equal to $\sqrt{\mathrm{-64}}?$

$0.8$

$0.375$

$0.007$

$5.24$

$\mathrm{-12.5632}$

$\mathrm{-4.09}$

three tenths

nine hundredths

twenty-seven hundredths

ten and thirty-five thousandths

negative twenty and three tenths

negative five hundredths

$0.43$

$0.825$

$9.7$

$3.64$

Locate the following decimals on a number line.

ⓐ $0.6$

ⓑ $\mathrm{-0.9}$

ⓒ $2.2$

ⓓ $\mathrm{-1.3}$

$0.6\_\_\_0.8$

$0.2\_\_\_0.15$

$0.803\_\_\_\_0.83$

$\mathrm{-0.56}\_\_\_\_\mathrm{-0.562}$

$12.529$

$4.8447$

$5.897$

$5.75+8.46$

$32.89-8.22$

$24-19.31$

$10.2+14.631$

$\mathrm{-6.4}+(\mathrm{-2.9})$

$1.83-4.2$

$(0.3)(0.7)$

$(\mathrm{-6.4})(0.25)$

$(\mathrm{-3.35})(\mathrm{-12.7})$

$(15.4)(1000)$

$0.48÷6$

$4.32÷24$

$\text{\$6.29}÷12$

$(\mathrm{-0.8})÷(\mathrm{-0.2})$

$1.65÷0.15$

$9÷0.045$

Miranda got $\text{\$40}$ from her ATM. She spent $\text{\$9.32}$ on lunch and $\text{\$16.99}$ on a book. How much money did she have left? Round to the nearest cent if necessary.

Jessie put $8$ gallons of gas in her car. One gallon of gas costs $\text{\$3.528.}$ How much did Jessie owe for all the gas?

A pack of $16$ water bottles cost $\text{\$6.72.}$ How much did each bottle cost?

Alice bought a roll of paper towels that cost $\text{\$2.49.}$ She had a coupon for $\text{\$0.35}$ off, and the store doubled the coupon. How much did Alice pay for the paper towels?

$\frac{3}{5}$

$\frac{7}{8}$

$-\frac{19}{20}$

$-\frac{21}{4}$

$\frac{1}{3}$

$\frac{6}{11}$

$\frac{1}{2}\_\_\_0.2$

$\frac{3}{5}\_\_\_0.$

$-\frac{7}{8}\_\_\_\mathrm{-0.84}$

$-\frac{5}{12}\_\_\_\mathrm{-0.42}$

$0.625\_\_\_\frac{13}{20}$

$0.33\_\_\_\frac{5}{16}$

$\frac{2}{3},\frac{17}{20},0.65$

$\frac{7}{9},0.75,\frac{11}{15}$