73 rounded off to the nearest ten is 70, because 73 is closer to 70 than to 80. But 76 is rounded off to
70
80
60
90
76 rounded off to the nearest ten will be 80 as 76 is closer to 80 than to 70.
Question 2(d) Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens): 4,89,348 – 48,365