Video: Multiplying Two Numbers Using Multiplication by 10

You are told that 42 × 6 = 252. Use this to find 42 × 60.

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Video Transcript

You are told that 42 times six equals 252. Use this to find 42 times 60.

42 times six equals 252. We need to use that information to multiply 42 times 60. How do we go from six to 60? We multiply by 10. 60 is six times 10. And that means, in order to solve this problem, we’ll need to take the product from the first problem and multiply it by 10, 252 times 10. Multiplying by 10 means adding a zero. 252 becomes 2520. 42 times 60 equals 2520.

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