Answer
$0.000000409 = 4.09 \times 10^{-7}$
Work Step by Step
Move the decimal point seven places to the right to get $4.09$.
Then, multiply by $10^{-7}$ to retain the original value.
$0.000000409 = 4.09 \times 10^{-7}$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - Chapter Summary, Review, and Test - Review Exercises - Page 336: 112
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