A number is multiplied by 2. Then that product is multiplied by 5. Write to explain how you know what digit is in the ones place of the final product.

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asked Dec 25, 2017 200k views

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Tom Minka · Answer 1 · 2017-12-30T18:57:35+0000

When you multiply a number by 5 and then by 2 it is the same as multiplying by 10. multiplying by 10 means you add a zero to the end of the number so the digit in the ones column will be always be zero

A number is multiplied by 2. Then that product is multiplied by 5. Write to explain how you know what digit is in the ones place of the final product.

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