Question
Asked Sep 7, 2019
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round each of the nubers three(3) significant figures 

0.054206

200.953

96.50

0.001460

72.650

770.564

0.10001

13543.11

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Expert Answer

Step 1

The significant figures can be defined as the digits in the given number that carry some meaning and are also contributing to its measurement resolution.

Step 2

The significant figure of any number can be determined with the help of 3 rules.

  • Non-zero digits are always significant.
  • Any zeros between two significant digits are significant
  • A final zero or trailing zeros in the decimal portion only are significant.
Step 3

 To round off the number, below listed rules should be followed;

  • The last figure should be unchanged if the first figure dropped is less than 5.
  • The last figure should be increased by 1 if the first figure dropped is greater than 5.
  • If the first figure dropped is 5, and all the figures following the five are zero, then the last figure should be unchanged if that last figure ...

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Chemistry

Scientific Measurement

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