Math - changing logarithmic expression

Change the logarithmic expression to an equivalent expression involving an exponent.
Log1/5(1/625) = C

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  1. log(1/5*1/625) = logC,
    log(1/3125) = logC,
    -3.49 = logC,

    logC = -3.49,
    10^-3.39 = C,

    C = 10^-3.49.

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