The result of which of the following has/have least significant figure(s)?

(a) In multiplication and division, the lease precise term 0.112 has 3 significant figures. Hence, the answer should not have more than three significant figures.(b) In multiplication, 5 is the exact number and the other number has 4 significant figures. Hence, the answer should have 4 significant figures.c) In addition the answer cannot have more digits to the decimal point than either of the original memebers. Hence, the answer should have 4 signficant figures.