What is 538 × 40?

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Multiple Choice

What is 538 × 40?

Explanation:
Multiplying by 40 is the same as multiplying by 4 and then by 10, or distributing the 40 across parts of the number. Break 538 into 500 + 30 + 8. Multiply each by 40: 500 × 40 = 20,000 30 × 40 = 1,200 8 × 40 = 320 Add them: 20,000 + 1,200 + 320 = 21,520. You can also do 538 × 4 = 2,152, then multiply by 10 (add a zero) to get 21,520. So the product is 21,520.

Multiplying by 40 is the same as multiplying by 4 and then by 10, or distributing the 40 across parts of the number.

Break 538 into 500 + 30 + 8. Multiply each by 40:

500 × 40 = 20,000

30 × 40 = 1,200

8 × 40 = 320

Add them: 20,000 + 1,200 + 320 = 21,520.

You can also do 538 × 4 = 2,152, then multiply by 10 (add a zero) to get 21,520.

So the product is 21,520.

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