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07-04-2015
Mathematics

contestada

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

Respuesta :

07-04-2015

(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

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