benjaminsiu15 benjaminsiu15

11-10-2021
Mathematics

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Which expression is equivalent to −3(−56) Group of answer choices −157 156 −87 157

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lukelarson06 lukelarson06

11-10-2021

Answer:

D.15r7

Step-by-step explanation:

multiplying two negatives equals a positive: (-)x(-)=(+)

-3rx(-5r^6)

simplifing to

3rx5r^6

then combime like terms to get

15r7

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