math

How would the instructor come up with this answer?
1-1/5with a exponet of 2 = 96%

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asked by Mary
  1. 1 - (1/5)^2 = 96%
    1 - (1/25) = 96%
    (25/25) - (1/25) = 96%
    (24/25) = 96%
    0.96 = 96%
    (0.96) 100% = 96%
    96% = 96%

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    posted by aycee
  2. 1-1/5with a exponet of 2 = 96%

    I'm not sure how to interpret your data. You can indicate an exponent by putting this symbol (^) before the exponent. This what I assume:

    1 - 1/5^2 = 1 - .2^2 = 1 - .04 = .96 = 96%

    However, from the way you stated your question, it could be:

    (1 - 1/5)^2 = (4/5)^2 = .8^2 = .64

    I hope this helps. Thanks for asking.

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    posted by PsyDAG

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