What is the estimate of 63+42
Firstly, round 63 and you get 60, then, round 42 and you get 40. Finally, add 60 and 40. Your answer will be 100. Thank You, Helpingothers
the estimate of 63+42 is 100 because you round to the nearest tenth 63→ 60 & 42→ 40 so you add them together and you get 100
