Find the estimated product of 67 × 62 by rounding off.
67 rounds off to 70
62 rounds off to 60
Therefore, estimated quotient = 70 × 60 = 4200
Estimate the product by rounding off. 42 × 37
The estimated product of 67 × 62 is 4200
Estimate the product of 766 × 248 by rounding off each factor to its greatest place.