Question

r=radical sign

r64s^4t^3

Simplify the expression up there.
Show me an explanation, too! Please! I beg of you..I need help.

Answer 1

sqrt(64s^4t^3) =

sqrt(64s^4t^2*t) =
8s^2t*sqrt(t).

NOTE: t^3 = t^2*t.