+37091 Do not know what format you are looking for, but here are some possibilities:
= (25^1 * y^6)^1/4
= 25^(1*1/4) * y^(6*1/4)
=25^(1/4) * y^(6/4)
=(5^2)^1/4 * y^3/2
=5^(2/4) * y^3/2)
=5^(1/2) * y^(3/2)
=sqrt (5) * y^(3/2)
=\(\sqrt{5}\)\(\sqrt[2]{y^3}\)
