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30x40=?

Let's find out.

What's 3x4? 12.

Ok. So the 3 and 4 are out of the problem now.

Look back at the problem.

We see two zeros.

We already took care of the 3 and 4.

So what do we do with the zeros?

You add them on to the number you already have.

So 4x3=12. So it is 1,200.

30x40=1,200.

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15y ago

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