Question

If n = 3, what does (4n 2)(7 n) equal? How do you know? Explain.

Answer 1

Answer: 756

Explanation:

n = 3

(4n^2)(7n)

(4 x 3^2)(7 x 3) [substituting the values]

(4 x 9)(21) = 36 x 21

= 756

hope it will help you...