Why does 8 × 10 = 80?

Because adding 8 10's together makes 80.

That is, because 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 = 80.

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Why does 8 × 10 = 80?

Because adding 8 10's together makes 80.

That is, because 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 = 80.

Keep practicing