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Simplification of Indices

How would you simplify this: (3/c)^-2
Reply 1
Avatar for Ephilas
Ephilas
8
I think it would be (c/3)^2 which would then be c^2/3^2 then c^2/9 .
Reply 2
Avatar for B_9710
B_9710
18
You can think of it as [(3/c)^-1]^2 as you just multiply then exponents with when there are brackets like this
Which is (c/3)^2 = c^2 / 9

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