# algebra

Can someone explain how to do this????

Write each expression using a single exponent.

x^9/x^2

x^11
x^7
7
x^5

1. 👍 0
2. 👎 0
3. 👁 280
1. x^(9-2) = x^7

because

x^a * x^b = x^(a+b)

like
2^2 * x^3 = 2^5 = 32 which is also 4*8

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posted by Damon
2. excuse me, typo
like
2^2 * 2^3 = 2^5 = 32 which is also 4*8

1. 👍 0
2. 👎 1
posted by Damon

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