Question

How do I estimate 90.1 + 91.2 + 89.8

Answer 1

270.1

Explanation:

round to the nearest 10th or 100th if its 5 below it gone down 6 above go highter

Answer 2

Add 90 three times and then whatever you get that’s your number


Multiply 9*3 and then add a zero( answer would be 270.1 and first then 270)