Question

What is the value of y in this simplified expression?

11^-4/11^-8=11^y

a.-12

b.2

c.4

d.32

Answer 1

choice C. y = 4

Explanation:

Simplify 11^-4 / 11^-8

= 11^(-4 - (-8) ) = 11^(-4+8) = 11^4

so

11^4 = 11^y

means y = 4