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
The estimated product of 67 × 62 is 4200
Estimate the product by rounding off. 42 × 37
Estimate the product of 958 × 387 by rounding off each factor to its greatest place.