Question

1. add.

16.932 + 9.739 + 2.2
28.9
27.761
28.871
29

Explanation:

Step1: Add the first two numbers

$16.932 + 9.739 = 26.671$

Step2: Add the result to the third number

$26.671 + 2.2 = 28.871$

Answer:

28.871 (corresponding to the option with 28.871)