lyzzy7
What is the simplified form of the expression?
(y^–5)^–10y^10
a. y^–60
b. y^60
c. y^–150
d. y^150



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lyzzy7
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@Zale101

jim_thompson5910
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first focus on simplifying (y^–5)^–10

jim_thompson5910
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how do you do this?

jim_thompson5910
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here's a similar example
(x^2)^7 = x^(2*7) = x^(14)

lyzzy7
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i dont know either of them..

jim_thompson5910
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notice how I simplified (x^2)^7

jim_thompson5910
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I just multiplied the exponents to get x^(14)

lyzzy7
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oh im ctching on now. y^50


jim_thompson5910
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so
(y^–5)^–10y^10
turns into
y^50*y^10

jim_thompson5910
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how would you simplify y^50*y^10

lyzzy7
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y^ 50+10 = y^60

jim_thompson5910
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nailed it