Estimate the product 49 × 53 by rounding to the nearest ten.

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Multiple Choice

Estimate the product 49 × 53 by rounding to the nearest ten.

Explanation:
Rounding to the nearest ten tests how close the product will be when each factor is approximated by a multiple of ten. For 49 and 53, the closest tens are both 50. Multiply 50 by 50 to get 2,500. This gives a quick, reasonable estimate of the true product, which is 2,597, so 2,500 is in the right ballpark. The other numbers would come from rounding differently or making a larger deviation from the actual factors, so they don’t match the standard rounding approach.

Rounding to the nearest ten tests how close the product will be when each factor is approximated by a multiple of ten. For 49 and 53, the closest tens are both 50. Multiply 50 by 50 to get 2,500. This gives a quick, reasonable estimate of the true product, which is 2,597, so 2,500 is in the right ballpark. The other numbers would come from rounding differently or making a larger deviation from the actual factors, so they don’t match the standard rounding approach.

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