Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.3 - Solving Right Triangles - 2.3 Problem Set - Page 79: 1

Answer

See below.

Work Step by Step

To be able to count the number of significant digits of a number, we count all the digits from the left to right starting with the first digit that is not zero. If we have no decimal point, we don't count the trailing zeros.
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