Question

PLEASE HELP URGENT I NEED THESE SOLVED WITH AN EXPLINATION

Answer 1

1.

`4^2*4^2=16*16=256`

answer B

2.

`(3^7)/(3^5)=3^(7-5)=3^2=9`

answer C

3.

`4^(-3)=(1)/(4^3)=(1)/(64)`

answer D

4.

`58^0=1`

every number with exponent zero is equal to 1

answer A

5.

`5^(10)*5^(-12)=5^(10+(-12))=5^(-2)=(1)/(5^2)=(1)/(25)`

answer B

6.

`(7^8)/(7^(10))=7^(8-10)=7^(-2)`

answer A

7.

`(4^(12)*4^8)/(4^(13))=(4^(12+8))/(4^(13))=(4^(20))/(4^(13))=4^(20-13)=4^7`

answer C