Which Expression is not equivalent to 1/64?

Mathematics
Tutor: None Selected Time limit: 1 Day

A) 4^3times4^-6

B)4^5times 4^-2

C)2^2times2^-8

D)1/2^2times1/4^2

E)1/8times1/2^3

Jun 23rd, 2015

option b........

because 4^5times 4^-2 = 4^(5-2) = 4^3 = 64

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Jun 23rd, 2015

What is the shortest distance, in units, between points P(-30,30) and Q(42,-35)? Please explain thoroughly!

A. 14

B.65 

C.72

D.97

Jun 24th, 2015

Please post this as a separate question?

Jun 24th, 2015

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