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January 21, 2017
Posted by **priya** on Tuesday, November 9, 2010 at 3:16pm.

√(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 -
**PsyDAG**, Wednesday, November 10, 2010 at 10:47am√(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.