Adding and Subtracting Significant Figures

33 g - 2.1 g = ?

• 31.9 g

• 31 g

• 30.9 g

• 30 g

1050 km - 1. 54 km = ?

• 1048.46 km

• 1000 km

• 1100 km

• 1050 km

220 ft - 100 ft = ?

• 120 ft

• 100 ft

• 150 ft

• 200 ft

220 ft - 101 ft = ?

• 100 ft

• 120 ft

• 119 ft

• 200 ft

0.495 g - 0.101 g = ?

• 0.394 g

• 0.3 g

• 0.4 g

• 0.494 g

0.495 g - 0.1 g = ?

• 0.395 g

• 0.39 g

• 0.4 g

• 1 g

0.495 g - 0.001 g = ?

• 0.394 g

• 0.3984 g

• 0.494 g

• 0.5 g

1200 light years - 5 light years = ?

• 1195 light years

• 2000 light years

• 1000 light years

• 1200 light years

1200 light years - 100 light years = ?

• 1200 light years

• 100 light years

• 1100 light years

• 2000 light years

1200 light years - 300 light years = ?

• 900 light years

• 1000 light years

• 1500 light years

• what is a light year?