Answer:
7
Step-by-step explanation:
Given : Numbers : 2.81 and 3.72
To Find : to estimate 2.81+3.72
Solution :
If the value after decimal is 5 or more than round off it to successive whole number other wise round off it to preceding whole number
So, estimate of 2.81 is 3
Estimate of 3.72 = 4
Now [tex]=3+4[/tex]
[tex]=7[/tex]
Hence [tex]2.81+3.72=7[/tex]
