Answer:
1.) 3 times
2.) [tex](x*x*x*x)*(x*x*x*x)*(x*x*x*x)\\x*x*x*x*x*x*x*x*x*x*x*x[/tex] (12 x's)
3.) [tex]x^{12}[/tex]
4.) no, the base doesn't change
5.) When you do this, you multiply the exponents together, using the power rule:
[tex](x^a)^b=x^{ab}[/tex]
6.) Simplify expressions
b.) [tex]x^{20}y^{10}[/tex]
d.) [tex]b^{12}[/tex]
e.) [tex]125m^3n^9[/tex]
f.) [tex]16x^{16}y^8[/tex]
g.) [tex]16x^{16}[/tex]
