what does 2.75+.003+.158=

You could use a calculator and find out or you could just add it manually as below.

2.75
0.003
+ 0.158
= 2.911

2.750

+0.003
+0.158
=2.911

To calculate 2.75 + 0.003 + 0.158, you simply add up the given numbers:

2.75 + 0.003 + 0.158 = 2.911

You can add these numbers using either a calculator or by doing it manually. Let's break it down step by step:

1. Add the whole numbers: 2.75 + 0 = 2.75

2. Now, move on to the decimal values. Add them starting from the same decimal place. In this case, it is the thousandth place.

0.003
+ 0.158
________
0.161 (keeping three decimal places)

3. Add the previous sum (0.161) to the whole number sum (2.75):

2.75
+ 0.161
________
2.911

Therefore, 2.75 + 0.003 + 0.158 equals 2.911.