Respuesta :

Answer:

6.3c + 3.9

Step-by-step explanation:

This expression requires you to distribute the 3 into the other terms.

3(2.1c + 1.3)

3 · 2.1c = 6.3c

3 · 1.3 = 3.9

Therefore, the expression is 6.3c + 3.9.