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Posted by on Sunday, February 14, 2010 at 12:44am.

Evaluate the expression without using a calculator:
log4(2)= ____?

Use a calculator to find the logarithm accurate to four decimal places:
log4(27)= ____?

  • Math - , Sunday, February 14, 2010 at 8:10am

    log4(2)= ____?

    What exponent must 4 be raised to, to obtain 2
    that is,
    4^? = 2
    Isn't √4 = 2 ? or
    4^(1/2) = 2

    for the second,
    log4 27
    = log 27/log 4 , now use your calculator.

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