Question

Which equation can be used to find the product 640x7?

A.
B.
C.
D. ​

Answer 1

D. (600 × 7) + (40 × 7) = 4200 +280

Explanation:

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Answer 2

A.=880

B.=4240

C.=700

D.=4480 which is the sum of 640*7

Explanation:

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