Question

The value of
(6^-1*7^2÷6^2* 7^-4)^7/2*(6^-2*7^3÷6^3*7^-5)^-5/2
is
(a) 0
(b) 252
(c) 250
(d) 248​

Answer 1

Answer:

valfshv432248+572)43))43(738-96)