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Pre Calculus 12

posted by on .

Laws of logarithms

evualuat using change of base rule

log(√8)16

^the square root 8 is supposed to be subscript.

the answer i got was 8/3, not sure if that is right

  • Pre Calculus 12 - ,

    You are correct

    This can be done without a calculator
    let log √816 = x

    (√8)^x = 16
    ( (2^3)^(1/2)^x = 2^4

    3(1/2)x = 4
    3x = 8
    x = 8/3

  • Pre Calculus 12 - ,

    Thanks very much Reiny :)

  • Pre Calculus 12 - ,

    welcome

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