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10 February, 16:58

Which expression is equivalent to (73) - 2?

A. 1/7•7•7•7•7•7

B. 7

C. 1/7

D. - 1/7•7•7•7•7•7

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Answers (2)
  1. 10 February, 19:30
    0
    A. 1/7•7•7•7•7•7
  2. 10 February, 20:12
    0
    Hello, I think it was (7^3) ^-2.

    So, what do you have to do is multiply the exponents.

    7^3 * (-2) = 7^-6

    Now, the rule says a^-x = 1/a^x

    So 1/7^6

    This means the answer is A.

    1 / (7*7*7*7*7*7)
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