How do you multiply 4m \cdot 7m ^ { 3}?

3 Answers
May 14, 2018

4m \cdot 7m ^ { 3}=(4*7)*(m)^[1+3]=28*m^4

Explanation:

show below:

4m \cdot 7m ^ { 3}=(4*7)*(m)^[1+3]=28*m^4

not that

x^n*x^m=x^[n+m]

May 14, 2018

28m^4

Explanation:

Multiple 4 and 7. you get 28 then add m and m^3 you get m^4.

May 14, 2018

28m^4

Explanation:

An easy way of doing this would be expanding what each chunk means.
4m = 4 * m
and
7m^3 = 7 * m * m * m
So if you multiply 4m * 7m^3 you get
4 * m * 7 * m * m * m
You can then simplify this.
4 * 7 = 28
m * m * m * m = m^4
so 28 * m^4 = 28m^4