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30 September, 11:00

What makes this statement true? 7^-2

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Answers (2)
  1. 30 September, 11:09
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    Anyone got the answer?
  2. 30 September, 14:49
    0
    The negative power means 1/the number to the given power

    This means that 7^-2 can be rewritten as 1 / (7^2)

    7^2 = 7*7

    Therefore:

    1 / (7^2) = 1 / (7*7)

    7*7 = 49

    Therefore:

    1 / (7*7) = 1/49

    Based on the above calculations:

    7^-2 is equal to 1/49
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