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calculus

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find the exact value of the expression

1.logbase8(2)
2.logbase10(1.25)+logbase10(80)
how do you start out ? i forgot all about logarithym.s please help with step my steps

  • calculus - ,

    This is not calculus.
    Log(base8) of 2 is what power x of 8 you must have so that 8^x = 2
    2 is the cube root of 8, so the answer is 1/3.

    2. logbase10(1.25)+logbase10(80)
    = log(base10)(1.25*80)
    = Log(base10)(100)
    What is the number x such that 10^x = 100 ?

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