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Question

Which of the following is the most suitable expansion for 42 x 8?

A
8 x (40 + 2)
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B
8 x ( 44 - 2)
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C
42 ( 5 + 3 )
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D
8 x 40 x 2
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Solution

The correct option is A 8 x (40 + 2)
Here, 42 is the bigger and complex number.
So we need to split it in such a way that the calculation becomes easy by applying distributive property.
so we get 8 x (40 + 2)

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