Which rational number equals 0.4?

A. 2 over10

B. 2 over 9

C. 4 over 10

D. 4 over 9

C. 4/10

Step-by-step explanation:

a. 2/10 = 0.2

b. 2/9=0.2222 ...

c. 4/10=0.4

D. 4/9=0.4444 ...

Answer C (4 over 10)

Step-by-step explanation:

A) 2 over 10 or 2/10 equals 0.2, therefore it is wrong

B) 2 over 9 or 2/9 equals 0.222 ..., therefore it is wrong

C) 4 over 10 or 4/10 equals 0.4, therefore it is correct

D) 4 over 9 or 4/9 equals 0.4444 ..., therefore it is wrong