3 Rewrite the following without an exponent. 9-2

Question

3
Rewrite the following without an exponent.
9-2

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Khang Minh 3 years 2021-08-22T16:46:35+00:00 2 Answers 2 views 0

Answers ( )

  1. Jezebel
    0
    2021-08-22T16:48:28+00:00
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    Answer:

    7

    Step-by-step explanation:

    9-2

  2. thaiduong
    0
    2021-08-22T16:48:31+00:00
    Reply

    Answer:

    \frac{1}{81}

    Step-by-step explanation:

    Assuming you mean: 9^{-2}

    9^{-2}\\\\a^{-b}=\frac{1}{a^b}\\\\ 9^{-2}=\frac{1}{9^2}=\boxed{\frac{1}{81}}

    Hope this helps.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )