Answer
$2.51\times10^{-4}$
Work Step by Step
The zeros to the left of the 2 are not significant. Move the decimal to the right 4 places and drop off the 82. Put into scientific notation.
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)
by Timberlake, Karen C.
Published by
Prentice Hall
ISBN 10:
0321908449
ISBN 13:
978-0-32190-844-5
Chapter 2 - Section 2.3 - Significant Figures in Calculations - Questions and Problems - Page 33: 2.23d
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