Posted by priya on .
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 
PsyDAG,
√(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.