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March 25, 2017

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solve for x

75=13^x

  • math - ,

    take log of both sides
    log 75 = log(13^x)
    log 75 = x log 13
    x = log75/log13 = appr 1.683

    check:
    13^1.683 = 74.949

    (more accuracy attained when more accuracy is used in answer)
    try x = 1.683264467 on your calculator

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