Respuesta :

Answer:

4.1

Step-by-step explanation:

Consider .2 as 0.20.

Consider 3.9 as 3.90.

3.90 + 0.20 = 4.10

4.10 simplified is 4.1.

All you have to do is remove the zero at the end. (Only works for decimals.)

Answer:

4.1

Step-by-step explanation: