Choose the best estimate for the product 68 x 7 -A- 400B- 420C- 490D- 520

The correct option is C 49068 is close to 70. nbsp; ∴ The product 68× 7 is best estimated by the product 70× 7, which is 490. Verification nbsp; 5 68 ...

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Standard IV

Mathematics

Multiplication

Choose the be...

Question

Choose the best estimate for the product 68x7.

400

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420

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490

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520

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Solution

The correct option is C 490
68 is close to 70.
$∴$ The product $68 \times 7$ is best estimated by the product $70 \times 7,$ which is 490.

Verification

$568 7 - \times 476 - -- -$

476 is indeed close to 490. Thus, 490 is a good estimate.

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Choose the best estimate for the product 68x7.

The correct option is C 49068 is close to 70. ∴ The product 68×7 is best estimated by the product 70×7, which is 490. Verification 5 68 7–×476–––– 476 is indeed close to 490. Thus, 490 is a good estimate.

The correct option is C 490
68 is close to 70.
$∴$ The product $68 \times 7$ is best estimated by the product $70 \times 7,$ which is 490.

Verification

$568 7 - \times 476 - -- -$

476 is indeed close to 490. Thus, 490 is a good estimate.