Why does 5 × 9 = 45?

Because adding 5 9's together makes 45.

That is, because 9 + 9 + 9 + 9 + 9 = 45.

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Keep practicing
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144

Why does 5 × 9 = 45?

Because adding 5 9's together makes 45.

That is, because 9 + 9 + 9 + 9 + 9 = 45.

Keep practicing