Give a rough estimate and also a closer estimate of `4, 89 , 342-48 , 365.`

Give arough estimate (by rounding off the nearest hundreds)and also a closer estimate(by rounding off to nearest tens), 4,89,348-48,365 .

Give a rough estimate of number of a particles which suffer a deflection of 180^@ when made to fall on a gold foil.

Give arough estimate (by rounding off the nearest hundreds)and also a closer estimate(by rounding off to nearest tens), 8325-491

Give arough estimate (by rounding off the nearest hundreds)and also a closer estimate(by rounding off to nearest tens), 439+334+4,317 .

Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens.) 539+ 324+ 4,316

Give arough estimate (by rounding off the nearest hundreds)and also a closer estimate(by rounding off to nearest tens), 1,08,734-47,599

Give the estimated available water resource in India.