Question

evaluate (3/7)^-7×(7/3)^-4​

Answer 1

Answer

(3/7)^-7 × (7/3)^-4

= (7/3)^7 × (7/3)^-4

Using a^m × a^n = a^(m+n)

= (7/3)^7+(-4)

= (7/3)^7-4

= (7/3)^3

= 343/27

= 12.703