Estimate the product of the given numbers by rounding off each number to its greatest place values: 4213 × 973
Estimate the product of the given numbers by rounding off each number to its hundreds place. 975 × 488
Estimate the product of 766 × 248 by rounding off each factor to its greatest place.
Estimate the product of 958 × 387 by rounding off each factor to its greatest place.