Eden706
contestada

How do you estimate 37.2 + 2583 and 18.256 - 5.71 and -9.916 + 12.4 to the nearest integer I never get it

Respuesta :

iGreen
Okay, we can round each number to the nearest whole.

37.2 + 2583

Round 37.2

If the number after the decimal point is 5 or more, we round up, but if it’s 4 or less, we round down.

The number is 2 so we round down to 37.

Now we add 37 + 2583, which equals 2620.

18.256 - 5.71

Again, look at the numbers after the decimal point.

For 18, it's 2, so we round down to 18. For 5, it's 7 so we round up to 6.

So we have:

18 - 6

Subtract:

12

-9.916 + 12.4

Again, look at the numbers after the decimal point.

For -9, it's 9, so we round up to -10, for 12, it's 4, so we round down to 12.

So we have:

-9 + 12

Add:

3

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