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14 April, 05:16

Find for x to four significant digits. 7^x=13

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Answers (2)
  1. 14 April, 05:17
    0
    X ≈ 1.31812322

    X is approximately the number above
  2. 14 April, 05:19
    0
    7^x = 13

    To solve this exponential equation you would take the log (base7) of both sides.

    Log (base7) 7^x=log (base7) 13

    The left sides reduces to x.

    x = log (base7) 13

    Use change of base formula to solve.

    x = (log13) / (log7)

    x = 1.318
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