Question

Estimate the sum of the following numbers to the nearest 100.

240 + 360
455 + 321
145 + 198
280 + 311
611 + 670
585 + 170. explain it breifly​

Answer 1

Step-by-step explanation:

1. 240+360=480= 500 (estimated sum)

2.455+321=776=800 (estimated sum)

3.145+198= 343=300 (estimated sum)

4. 280+311=591=600 (estimated sum)

5. 611+670=1281=1300 (estimated sum)

6. 585+170=755=800 (estimated sum)