Estimate the product of 4789 and 346 by rounding off the first number to the nearest hundreds and second number to the nearest tens.
16,32,000
Rounding off 4789 to the nearest hundred gives 4800 since 789 is greater than 500.
Rounding off 346 to the nearest tens gives 340 since 46 is smaller than 50.
4800 × 340 = 16,32,000