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- Fundamentals of mathematics
- Techniques of estimation
- Summary of key concepts
This module is from Fundamentals of Mathematics by Denny Burzynski and Wade Ellis, Jr. This module reviews the key concepts from the chapter "Techniques of Estimation."
Summary of key concepts
Estimation (
[link] )
Estimation is the process of determining an expected value of a computation.
Estimation by rounding (
[link] )
The
rounding technique estimates the result of a computation by rounding the numbers involved in the computation to one or two nonzero digits. For example,
can be estimated by
.
When several numbers are close to one particular number, they are said to
cluster near that particular number.
Estimation by clustering (
[link] )
The
clustering technique of estimation can be used when
- there are more than two numbers to be added, and
- clustering occurs.
For example,
can be estimated by
Distributive property (
[link] )
The
distributive property is a characteristic of numbers that involves both addition and multiplication. For example,
Estimation using the distributive property (
[link] )
The
distributive property can be used to obtain exact results for a multiplication.
For example,
Estimation by rounding fractions (
[link] )
Estimation by rounding fractions commonly rounds fractions to
,
,
, 0, and 1.
For example,
can be estimated by
Questions & Answers
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Explain the following terms .
(1) Abiotic factors in an ecosystem
Abiotic factors are non living components of ecosystem.These include physical and chemical elements like temperature,light,water,soil,air quality and oxygen etc
Qasim
Define the term Abiotic
Marial
passive process of transport of low-molecular weight material according to its concentration gradient
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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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