Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.2 - Exponents and Scientific Notation - Exercise Set - Page 31: 129

Answer

To convert from scientific to decimal notation, look at the exponent of the base 10 power given (e.g. $3$ in $4.25677 \times 10^{3}$). Move the decimal point to the right that many places. If we move the decimal point three places to the right in the example above, we will get $4256.77$.

Work Step by Step

2nd example: $9.147781 \times 10^{5}$ Because the exponent in the term with the base 10 is $5$, we know we're going to be moving the decimal point to the right FIVE places. Doing so will give us $914778.1$, which is in decimal notation.
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