Question

please find the answer quick it's urgent ​

Answer 1

1) 8^5×8^-6

8^5+(-6)

8^-1

1/8

2) (5/4)^7×(5/4)^3

(5/4)^7+3

(5/4)^10

3) (18/3)^20×(18/3)^-15

(18/3)^20+(-15)

(18/3)^5

4)