Product of 57 and 34 to nearest tens will be
19
40
1940
1800
57 x 34 after rounding off is 60 x 30 =1800
Estimate the sum of 34 and 49 to nearest tens.
Estimate the product of 28 and 37 to nearest ten.
Sum of estimated value of 512857 to nearest ten thousand and estimated value of 34 to nearest tens is ?