College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.2 - Algebra Essentials - R.2 Assess Your Understanding: 157

Answer

$0.0000005$ meters

Work Step by Step

We need to expand the wavelength of visible light ($5\times 10^{-7}$) as a whole number. This number is in Scientific Notation. To expand the number, we simply write the digit "5" and move the decimal to the left (because the power is negative) 7 places (because the power is -7). Therefore, we have: $5\times 10^{-7}=0.0000005$ meters
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