Answer
a) Add. $3^{9}$
b) Subtract. $3^{3}$
Work Step by Step
These exercice refers to the properties of exponents:
a) $3^{4}$*$3^{5}$=$3^{4+5}$=$3^{9}$
b)$\frac{3^{5}}{3^{2}}$= $3^{5-2}$=$3^{3}$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.2 - Exponents and Radicals - 1.2 Exercises - Page 21: 2
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