SOLUTION: 1. 4 over b^-2 2. -2 over z^-1 3. -1 over c^0

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Question 240621: 1. 4 over b^-2
2. -2 over z^-1
3. -1 over c^0
Answer by Alan3354(21603) About Me  (Show Source):
You can put this solution on YOUR website!
1. 4 over b^-2
Multiply NUM and DEN by b^2
= 4b^2
---------
2. -2 over z^-1
= -2z
------
3. -1 over c^0
= -1