Question

Estimate the sum
3123 + 1476 + 2549 + 3173

Answer 1

First we have to add 3123 and 1476.

Then the answer comes 4599.

Then we have to add 4599 and 2549.

Then the answer comes 7148.

The last step

WE have to add 7148 and 3173

The final answer comes 10,321