Estimate each value before everybody goes to sleep!?

Question

1. 6.3-4.079
2. 2.06+3.91

Answer 1

6.3 is about 6 and 4.079 is about 4 so 6 - 4 = 2

2.06 is about 2 and 3.91 is about 4 so 2 + 4 = 6

HTH

Charles

Answer 2

I'm sleep walking and sleep typing.


For #1, estimate the numbers; 6.3 or 6
4.079 or 4.

Second add the numbers 6+4=10


For the #2, estimate the numbers 2.06 or 2

3.91 or 4.

second add the numbers 2+4=6