Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - 5.6 - Integral Exponents and Scientific Notation - Problem Set 5.6 - Page 224: 98



Work Step by Step

To convert a number in scientific notation, $a \times 10^{n}$, to standard decimal form: (i) If $n$ is positive, move the decimal point $n$ places to the right; or (ii) If $n$ is negative, move the decimal point $|n|$ places to the left. The given scientific notation has $n=3$. Thus, move the decimal point 3 places to the right to obtain: $(7.2)(10^3)=7,200$
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