Is 7.4 closer to 7.0 or 8.0?
Is 3.1 closer to 3.0 or 4.0?
Is 9.8 closer to 9.0 or 10.0?
Once you decide, then add.
estimate each sum or differnce.
7.4 + 3.1+ 9.8
How do I do this?
9 answers
7.0 3.0 10.0
20
19
3.0+9.0+10.0=20.0
11.11
egw
is it 17.5 ms
7.0+3.0+10.0