You can
put this solution on YOUR website!4x^2 * 4x^3
This is actually
4*x*x*4*x*x*x
x is multiplied 5 times = x^5
4*4 = 16
Answer = 16 x^5
..
By following the indices rule
you have to multiply the co-efficients and add the indices of the same terms
= 16x^(2+3)
16^5