Question

Multiply the followings using the expanded from.
(a) 217 x 4 =​

Answer 1

Answer:

217=== 7×31

4=== 2×2

Step-by-step explanation:

therefore

217×4==

(7×3)×(2×2)

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Answer 2

Step-by-step explanation:

31×7=217

2×2=4

therefore 217×7=

(31×7)(2×2)