Homework Help: math

Posted by Jimmy on Saturday, February 5, 2011 at 10:47pm.

The question that have is to simplify and write the answer in exponential notation using positive exponents 2 to 4th power x 2 -2

These are my choices

a 4 to the 8th power
b 2 to the 8th power
c 4 to the 2nd power
d 2 to the 2nd power

math - helper, Saturday, February 5, 2011 at 11:34pm
What is your problem?
2 to 4th power x 2 -2 ?

Is this your problem?
2^4 * 2^(-2)

If so,
2^4 = 16
2^(-2) = 1/(2^2) = 1/4

2^4 * 2^(-2) = 16 * 1/4 = 16/4 = 4

4 = 2^2

Answer this Question

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