Respuesta :

Answer:

a. 320

b. 210

c. 1200

Step-by-step explanation:

We multiply 47 x 38 using place values.

First ones, 8 x 7 =56.

Second ones and tens, 8 x 40 = 320.

Third tens and ones, 30 x 7 = 210.

Fourth tens and tens, 30 x 40 = 1200