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

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Avern asked Jul 5, 2022

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39 votes

Simplify

(7r) (-3r^4)

Mathematics
high-school

Avern asked Jul 5, 2022

by Avern

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1 Answer

11 votes

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

Apps answered Jul 8, 2022

by Apps

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