Question

How do you simplify `(2c ^ { 4} ) ( - c ^ { 2} ) ( 4c ^ { 9} )`?

Answer 1

`-8c^15`

Explanation:

We would multiply the signs and the coefficients:

`2*(-1)°4=-8`

and sum the exponents of the powers:

`c^(4+2+9)=c^15`

to get

`-8c^15`