Question

Simplify: (8x4)(4x3)/7x2 A. 32x5/7 B. 1/28x C. 1/3x D. 7/9x4

Answer 1

The Answer is A: 

Simplify the following:
(8×4 x^4 x^3)/(7 x^2)

Combine powers. (4 x^3×8 x^4)/(7 x^2) = (4 x^(4 + 3 - 2) 8)/7:
(4×8 x^(4 + 3 - 2))/7

4 + 3 - 2 = 5:
(4×8 x^5)/7

4×8 = 32:
Answer:  (32 x^5)/7