Simplify (7r) (-3r^4)

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Alice Young · Answer 1 · 2022-06-11T09:56:00+0000

Answer:

-21 r^5

Explanation:

(7r) (-3r^4)

Multiply the coefficients

7*(-3)

-21

Multiply the variables

r * r^4 = r^(4+1) = r^5

-21 r^5