preform the mathematical operation and then write the answer to the correct number of significant figures.

a) 100g + 10g

b) 903cm x 10cm

c) 0.6030 cm(2) ÷ 0.1cm

d) 9.5 mm + 0.083 mm

e) 430.0 mL - 10.2111 mL

f) 762.4 m + 3.2m + 1.21m