Question

What is the best estimate for the answer to 321.786 + 240.273

Answer 1

estimate for ones: 322 + 240 = 562
estimate for tens: 320 + 240 = 560
estimate for hundreds: 300 + 200 = 500


estimate for tenths: 321.8 + 240.3 = 562.1
estimate for hundreth: 321.79 + 240.27 = 562.16

hope this helps