Question

write using exponents .

-3 * m* 4 *n * n
A. 1mn2

B. –12mn2

C. –7mn2

D. 12mn2

Answer 1

i think is c. but im not sure ??

Answer 2

Ok -3*m*4*n*n
First multipply -3 * 4
What do you get?

Answer 3

-12 ??

Answer 4

Right Now you've
-12*m*n*n

remember
\[\huge x^m \times x^n= x^{m+n}\]

So what will be n*n

Answer 5

\[n^1 \times n^1 =?\]

Answer 6

-12mn2

Answer 7

Right
\[n^1 \times n^1= n^{1+1}=n^2\]
So finally you have
\[-12mn^2\]

Answer 8

Ohh now i got it finally :) thank you

Answer 9

You're Welcome :)