Answer
The distance from the Earth to the Sun is 1.57 x 10$^{-5}$ lightyears.
Work Step by Step
We know that 1pc = 3.26156 light years, so we simply convert from (a)
$(4.9\times10^{-6}pc)(\frac{3.26156ly}{1pc})=1.57\times10^{-5}ly$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 1 - Measurement - Problems - Page 12: 53b
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