Math, asked by rebecaamaya2151, 7 months ago

To estimate the product of 21 x 78, what is the best way to round the factors?

A.20 x 80

B.30 x 70

C.20 x 70

D.30 x 80

Answers

Answered by dwahab

0

Answer:

a

Step-by-step explanation:

21=20

78=80

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