# Use the rules for significant figures to find the answer to the addition problem 21.4 + 15 + 17.17 + 4.003.

### College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

### College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

#### Solutions

Chapter
Section
Chapter 1, Problem 8P
Textbook Problem

## Use the rules for significant figures to find the answer to the addition problem 21.4 + 15 + 17.17 + 4.003.

Expert Solution
To determine
The answer of the addition problem by using the rules of significant figure.

### Explanation of Solution

Significant numbers are the digits which help to give accuracy in uncertain results.

The expression for the addition problem is, 21.4+15+17.17+4.003

The number 15 contains no significant figure after decimal, so the sum should be rounded to no digit after the decimal.

Thus, the answer of the addition problem is,

21.4+15+17

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