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Thread: How do i solve this?

  1. May 3rd, 2003, 08:22 PM #1
    <ABX
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    How do i solve this?

    Im in grade 8 so i dont know how to solve for x in this problem

    2^x = 1000

    can you plz explain how to solve this?
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  2. May 3rd, 2003, 09:29 PM #2
    bugzpodder
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    well, the best way to solve this problem is to use a calculator. do you see the log button? just evaluate (log 1000)/(log 2)
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  3. May 14th, 2003, 07:56 PM #3
    prog_tom
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    2^x = 1000

    log base 2 both sides, so that:

    x = log(1000)/log(2)


    log(x) is called the common log, with base 10

    log(x)/log(y) is called the log of x base y

    sometimes written as logy x

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