Question

5. Round off each number to the nearest lakh to estimate the value of each of the following: a) 7,32,10,530 + 3,14,05,510 = b) 9,43,21,849 - 6,04,50,152 =​

Answer 1

To round of the given no in nearest lakh we need to see the value at ten thousand place which is 6 it is more than 5.

So we round off lakhs digit to 5+1=6

So we will round off. 38,65,62,048 will become 38,66,00,000

(a) 10,46,00,000 (b) 3,39,00,000

Answer 2

Answer:

a.) 7,32,10,530 + 3,14,05,510 = 104,616,040 = 100000000.

b.) 9,43,21,849 - 6,04,50,152 = 33,871,697 = 33000000.

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