What is each expression written using each base only once? (7.57)^ -4 X (7.57)^ 4 a. 8 b. 1 c. 0 d. 757^8

asked Jun 10, 2016 73.0k views

2 votes

What is each expression written using each base only once?

(7.57)^ -4 X (7.57)^ 4
a. 8
b. 1
c. 0
d. 757^8

by Rechu

8.6k points

Please log in or register to add a comment.

4 votes

(7.57)^-4 * (7.57)^4

Add the exponents and keep the base:

7.57^(-4 + 4)

7.57^0

Anything to the power of 0 is one.

1

Sherrie answered Jun 15, 2016

8.7k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers