Answer:
Answer C (4 over 10)
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