Question

(7/10) Power minus 4÷(7/10) power minus 6​

Answer 1

Answer:

(0.7)^-4 - (0.7)^-6

= (0.7)^-4【1 - (0.7)^-2】

Answer 2

Answer:

49/100

Step-by-step explanation:

(7/10)^-6 can be written as 10/7 ^6

in the same way 7/10 ^-6 can be changed

NOW 10/7 ^6=10/7 ^4

solving this we get 07^2/10^2

49/100