Question

estimate the sum of 487 and 310

Answer 1

487 + 310 ≈ 500 + 300 ≈ 800

Answer 2

Answer:

Sum of 487 would be 490 if rounded to the next whole number and 500 if rounded to the whole number.

So 490+300 = 790 OR 500+300=800

Hope that was helpful.Thank you!!!