Question

1- (7.57)^-4x(7.57)^4

2- (5.25)^-4 x 95.25)^4

Answer 1

$(7.57)^{-4}\times (7.57)^4 =(7.57)^{-4+4} =(7.57)^0 = \boxed{\bf{1}}$

$(5.25)^{-4}\times (5.25)^4 =(5.25)^{-4+4} =(5.25)^0 = \boxed{\bf{1}}$