Answer
$1.3*10^{-20}$
Work Step by Step
$(7.2*10^{-9})(1.806*10^{-12})=7.2*1.806*10^{-9}*10^{-12}=13.0032*10^{-21}=1.30032*10^{-20}\approx1.3*10^{-20}$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.3 - Integer Exponents and Scientific Notation - P.3 Exercises - Page 24: 41
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