Question

how to estimate by rounding off each number to its greatest place

Answer 1

Answer:

Step-by-step explanation:

I would like to give you a trick to solve this ,

suppose the number is 148 so it will be rounded of to 100 as numbers below 50 are rounded of to the same highiest number.

Answer 2

Rounding off means to round off a no. to its nearest.

For example:

a)9×795 ---> 10 × 800 = 8000

b) 87×317 ---> 90×300 = 27000

In a) part the nearest zero digit no. to 9 was 10 and 795 was 800.

In b) part the nearest zero digit no. to 87 was 90 and 317 was 300