Worksheets1.5-6 | Significant Figures
Total questions: 35
Worksheet time: 47mins
A leading zero ______ counts as a significant figure.
Always
Sometimes
Never
Calculate 923 g ÷ 20312 cm3. Give your answer with the correct number of significant figures.
Calculate 12.58 m + 5.7 m. Give your answer with the correct number of significant figures.
18.28 m
18.2 m
18.3 m
18 m
Calculate 12.47 g ÷ 3.2 mL. Give your answer with the correct number of significant figures.
4 g/mL
3.9 g/mL
3.90 g/mL
3.897 g/mL
How many significant figures: 450 m
3
2
1
0
Calculate 2.67 m × 1.3 m. Give your answer with the correct number of significant figures.
3.4 m2
3.5 m2
3.47 m2
3.471 m2
Calculate 12.58 m − 5.7 m. Give your answer with the correct number of significant figures.
7 m
6.9 m
6.8 m
6.88 m
A trailing zero _____ counts as a significant figure.
Always
Sometimes
Never
Calculate 15.3 m ÷ 7.4 s. Give your answer with the correct number of significant figures.
2.1 m/s
2.07 m/s
2.068 m/s
2.0676 m/s
How many significant figures does the following number have: 1.2500 × 103
Ambiguous: 3 or 5
7
Round 1289 to three significant figures.
1290.
129
Calculate 1.23 lb x 0.89 ft. Give your answer with the correct number of significant figures.
1.0 lb⋅ft
1.1 lb⋅ft
1.0947 lb⋅ft
1.095 lb⋅ft
Round 509.96 to 4 significant figures.
Calculate 7.987 g − 0.54 g. Give your answer with the correct number of significant figures.
7.45 g
7.447 g
7.4 g
7.5 g
Calculate 0.020 cm × 50 cm × 11.1 cm. Give your answer with the correct number of significant figures.
Round 0.010229 to four significant figures.
A captive/sandwiched zero _____ counts as a significant figure.
Always
Sometimes
Never
4.56 x 103
100.
Solve the problem below. Give your answer with correct number of significant figures.
12.5 mL + 20.05 mL + 2.69 mL
35 mL
35.2 mL
35.24 mL
35.240 mL
Write the number below in scientific notation with 4 significant figures:
123456
1.230 × 105
1.235 × 105
1.230 × 10-5
1.235 × 10-5
