Estimate 49.5×77 by rounding off to their greatest place
Rounding off the number
49.5 when rounded off to their tens place is 50
77 when rounded off to their tens place is 80
So, 50×80=4000
Hence the estimate of 49.5×77 is 4000
Estimate the 9x792 by rounding off the number to its greatest place.
The estimate of 415×97 by rounding off them to its greatest place
Estimate the quotient of 38512÷815 by rounding off to greatest place