## Elementary Technical Mathematics

Published by Brooks Cole

# Chapter 1 - Section 1.11 - Rounding Numbers - Exercises: 30

#### Answer

$23.23$

#### Work Step by Step

The first four digits from the left are significant so round off the number to the nearest hundredth. Thus, rounding to four significant digits means rounding off the number to the nearest hundredth. The hundredths digit $3$ is followed by a $4$ so retain $3$ and replace omit the rest of the decimals to obtain: $23.23$

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