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College Physics

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

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Section
BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

The speed of light is now defined to be 2.997 924 58 × 108 m/s. Express the speed of light to (a) three significant figures, (b) five significant figures, and (c) seven significant figures.

(a)

To determine
The speed of light rounded to three significant figures.

Explanation

Given info: The speed of light (c) is 2.99792458×108m/s .

Explanation:

Express the speed of light rounded to three significant figures,

c=2.99792458×108m/s=2.99×108m/s=3

(b)

To determine
The speed of light rounded to five significant figures.

(c)

To determine
The speed of light rounded to seven significant figures.

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