algebra

Can someone explain how to do this????

Write each expression using a single exponent.

x^9/x^2

Answers:
x^11
x^7
7
x^5

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asked by Jenna
  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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