SOLUTION: Simplify. (u^4)^-7 Write your answer without using negative exponents.

Question 273074: Simplify.
(u^4)^-7
Write your answer without using negative exponents.
Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Simplify.
(u^4)^-7
---
u^-28
---
(1/u)^28
=================
Cheers,
Stan H.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The general rules for powers raised to powers are:
(1)
(2)
(3)
(4)
The other rules you need are
(5)
(6)
Notice that (1) and (4) give the same result, and
(2) and (3) give the same result
-------------------------
(this is just rule (5) backwards)

This is just rule (3)
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