Which expression is equal to 3^3 x 3^5 a. 3^-2 b. 3^2 c. 3^8 d. 3^15

asked Feb 2, 2019 156k views

5 votes

Which expression is equal to 3^3 x 3^5

a. 3^-2
b. 3^2
c. 3^8
d. 3^15

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5 votes

Answer: c. 3^8

How to get regular answer:
$\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^(b+c)\\3^5\cdot \:3^3=\:3^(3+5)=\:3^8\\=3^8x\\3^8=6561\\$

DaveN answered Feb 7, 2019

by DaveN

8.3k points

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