Posted by Izzy on Wednesday, May 16, 2012 at 7:53pm.
r=radical sign
r64s^4t^3
Simplify the expression up there.
Show me an explanation, too! Please! I beg of you..I need help.

Algebra! I really need help!  Henry, Friday, May 18, 2012 at 11:56am
sqrt(64s^4t^3) =
sqrt(64s^4t^2*t) =
8s^2t*sqrt(t).
NOTE: t^3 = t^2*t.