   Chapter B, Problem 7E ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

#### Solutions

Chapter
Section ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem

# 1-10 Significant Figures Evaluate the expression. Round your final answer to the appropriate number of decimal places or significant figures. 3.3 ( 642.75 + 66.787 )

To determine

The solution for the expression.

Explanation

Given:

The expression is,

3.3(642.75+66.787)

Approach:

The significant figures in a number are the ones from first nonzero digit to the last nonzero digit when reading from left to right.

When adding or subtracting, round off the final result so that it has its last significant digit in the decimal place in which the least accurate given value has its last significant digit.

When multiplying or dividing, round off the final result so that it has as many as significant digits as in the given values with the fewest number of significant digits.

Calculation:

Evaluate the expression,

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