Elementary Algebra

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

Chapter 5 - Exponents and Polynomials - Chapter 5 Test - Page 232: 23

Answer

2.7 $\times$ $10^{-4}$

Work Step by Step

We need to write 0.00027 as the product of a number greater than or equal to 1 and less than 10, and an integral power of 10. The number greater than or equal to 1 and less than 10 will be 2.7 The decimal point has moved 4 places to the left, so the exponent of 10 will be -4. So, 0.00027 = 2.7 $\times$ $10^{-4}$
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