Why does 5 x 8 = 40?

Because adding 5 8's together makes 40.

That is, because 81 + 82 + 83 + 84 + 85 = 40.

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Why does 5 x 8 = 40?

Because adding 5 8's together makes 40.

That is, because 81 + 82 + 83 + 84 + 85 = 40.

Keep practicing