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March 28, 2017

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simplify

√(x^5y^8)

the answer is

x^5/2y^4

does it matter if 5/2 is replaced with 2.5?

x^2.5y^4

its the same thing right?

  • math grade 11 - ,

    √(x^5y^8) = x^2.5(y^4) = x^5/2(y^4)

    Same thing, but parentheses help make it clearer.

    Otherwise, last version might be interpreted as x^5 divided by 2y^4.

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