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