Round each factor with more than one digit to the nearest ten. Then estimate the product.

$77\times 8$

Round each factor with more than one digit to the nearest ten. Then estimate the product.

$67\times 41$

Round each factor with more than one digit to the nearest ten. Then estimate the product.

$82\times 63$

Round each factor with more than one digit to the nearest ten. Then estimate the product.

$43\times 32$

Round each factor with more than one digit to the nearest ten. Then estimate the product.

$75\times 46$

Round each factor with more than one digit to the nearest ten. Then estimate the product.

$26\times 29$

Estimate the product by rounding to the nearest hundreds.

$407\times 231$

Estimate the product by rounding to the nearest hundreds.

$536\times 748$

Estimate the product by rounding to the nearest hundreds.