The correct option is A Between 3.22 and 3.23
There are 2 tenths, 2 hundredths and 4 thousandths in the decimal number 3.224.
3.22 has 2 tenths and 2 hundredths, whereas 3.23 has 2 tenths and 3 hundredths.
2 tenths and 2 hundredths < 2 tenths, 2 hundredths and 4 thousandths < 2 tenths and 3 hundredths
⟹ 3.22 < 3.224 < 3.23