Answer
$$7.2\times 10^{-3}$$
Work Step by Step
Move the decimal point three places to the right to create a number between 1 and 10. The original number is less than $1$, so use a negative exponent:$$0.0072=7.2\times 10^{-3}.$$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Skills Handbook - Scientific Notation and Significant Digits - Exercises - Page 980: 4
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