Respuesta :

1
2 4. 5 4 5
+3 0 7. 3 0 0
——————
3 3 1 8 4 5
line up the decimal points and add.
hope this helps!

Answer:

331.8 (Plato/Edmentum)

Explanation:

#1: 24.545 + 307.3

#2: 331.845

#3: 331.8