I really need your helpwith this assignmnet. please dont fail me

Question

Carry out each calculation and give the answer using the proper number of significant figures.

Part 1 of 2

106.79 mL + 0.432 mL + 52.0 mL =

mL

Part 2 of 2

63.0 s-35.s=

Answer 1

Part 1:
106.79 mL + 0.432 mL + 52.0 mL = 159.2 mL (3 significant figures)

Part 2:
63.0 s - 35.5 s = 27.5 s (3 significant figures)