Question

HELP



- 1/2^0



- r^-4s^2 r= -3 s=5



- 457x10^7


- (4c^4)(ac^3)(-3a^5c)

Answer 1

If a positive number has a power of 0, the answer is 1
If a negative number has a power of 0, the answer is -1

Answer 2

Substitute the values:

-3^-4(5)^2

= -3^-20^2

-20^2 = 400

- -3 ^400