Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 7 - Exponents and Exponential Functions - 7-5 Division Properties of Exponents - Practice and Problem-Solving Exercises - Page 445: 68

Answer

a) answers may vary $2*10^4$ $1.02*10^5$ $4*10^6$ b) $1*10^4$ $5.1*10^4$ $2*10^6$ c) No.

Work Step by Step

a) $20000 = 2*10000 = 2*10^4$ $102000 = 1.02*100000 = 1.02 *10^5$ $4000000 = 4*1000000 = 4*10^6$ b) $20000/2 = 2*10^4/2 = 1*10^4$ $102000/2 = 1.02*10^5/2 = .51 *10^5 = 5.1*10^4$ $4000000/2 = 4*10^6/2 = 2*10^6$ c) The exponent does not get divided by 2. The number itself is divided by 2, not the exponent.
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