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11 May, 15:54

Which of the following is equivalent to log32^4?

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Answers (2)
  1. 11 May, 16:07
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    the answer is C ...
  2. 11 May, 16:18
    0
    The trick to evaluating this expression lies in writing both 32 and 4 as powers of 2:

    log to the base 32 of 4 can be re-written as:

    y = log to the base 2^5 of 2^2 (Because 32 = 2^5 and 2^2 = 4.)

    Now convert this logarithmic statement to an exponential one. To do this, write:

    y log to the base 2^5 of 2^2

    2^5 = 2^2

    5y

    2 = 2^2 Note that both sides are to the base 2.

    THus, 5y must equal 2, so that y comes out to y = 2/5, or 0.4.

    I have had to make assumptions here: I reworded your question to"Which of the following is equivalent to log to the base 32 of 4?" NOT equivalent to log32^4.
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