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Math Help - Major Math Help...

  1. #1
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    Major Math Help...

    Hi, I am in major need of help. So, I am working as a somewhat tutor, and I need to know how to get these answers...Can anyone please help me.

    Here are the questions...

    1. Simplify the expression 7^p3 (Answer is 210)
    2. How many ways can 11 basketball players be listed in a program? (Answer is 39,916,800)
    3. Find the greatest possible answer for the measurement 0.991g (Answer is 0.005)
    4. You measure a peice of rope and find that its 2cm. Find the percent error for this measurement. (Answer is 25%)

    Pretty Please
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  2. #2
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    Quote Originally Posted by LivinLife View Post
    Hi, I am in major need of help. So, I am working as a somewhat tutor, and I need to know how to get these answers...Can anyone please help me.

    Here are the questions...

    1. Simplify the expression 7^p3 (Answer is 210)
    2. How many ways can 11 basketball players be listed in a program? (Answer is 39,916,800)
    3. Find the greatest possible answer for the measurement 0.991g (Answer is 0.005)
    4. You measure a peice of rope and find that its 2cm. Find the percent error for this measurement. (Answer is 25%)

    Pretty Please
    1. ^7P_3 = \frac{n!}{(n-r)!}. n = 7 and r = 3. This will simplify to 7 \times 6 \times 5

    2. 11!

    3. Don't understand it, the maximum would be 0.991+0.0004 because anything else would be 0.992

    4. Need to know the graduations on the measuring device. For example something that measures in 1mm will be 0.1/2*100 = 5% whereas a 1cm would be 1/2 *100 = 50%
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