Simplify the following, leaving your answers in positive index form.
A3\(b^{3}\) x 4\(b^{5}\)
B3\(x^{2} y^{3}\) ÷ 9\(y^{5}\)
A3\(b^{3}\) x 4\(b^{5}\)
B3\(x^{2} y^{3}\) ÷ 9\(y^{5}\)