Significant Figures Practice Year 9,10

How many significant figures does the following number have: 100.00210

• 7

• 10

• 8

• 5

Divide 100.00g / 2.00mL

• 5.0 x 10 g/mL

• 50.0 g/mL

• 50 g/mL

• 50.00 g/mL

How many significant figures does the following number have: 0.002040

• 4

• 2

• 6

• 3

Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.

• 7.447 m

• 7.4 m

• 7.5 m

• 7.45 m

1900 / 170

• 11

• 11.18

• 11.2

• 10

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

• 1.1 m

• 1.0947 m

• 1.095 m

• 1.0 m

Solve and give your answer with the correct number of significant figures 24.28 + 12.5

• 37

• 3.687 x 10

• 3.70x10

• 36.8

What is the measurement 1042 Liters rounded to 2 significant figures?

• 1050 L

• 1.1 x 10 L

• 1.0 x 10 L

• 1040 L

How many significant figures does the following number have: 0.998005

• 10

• 5

• 9

• 6

Round 1047.78 to three sig figs

• 104

• 105

• 1050.00

• 1050