SOLUTION: 2^-1 exponent - 2^-2 exponent divided by 2^-3exponent Would someone kindly help me with this problem? I hope I keyed it in ok.. I was not sure how to key the expo

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Question 614822: 2^-1 exponent - 2^-2 exponent
divided by
2^-3exponent
Would someone kindly help me with this problem? I hope I keyed it in ok.. I was not sure how to key the exponents.

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!

rewrite it with two denominators
-
subtract exponents when you divide like terms (this changes the signs of ^-3
-
:
2^2 - 2^1
4 - 2 = 2

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