Question

Please help me answer these e questions pleasesssss

Answer 1

Answer:

5. $(-4)^{5}$× $(-4)^{7}$

   $(-4)^{12}$

   $4^{12}$

A negative base raised to an even power equals a positive.

8. $(\frac{2}{3})^{2}$ × $(\frac{2}{3})^{6}$

   $(\frac{2}{3})^{8}$

11. $(5^{4})^{3}$

   $5^{12}$