Significant Figures Questions:
Round the answers to the right amount of significant figures.
1) 1.23 m x 0.89 m =
2) 7.987 m - 0.54 m =
3) 3.12 g + 0.8 g + 1.033 g =
4) 345.009 g - 23.009 g =
5) 13.004 m + 3.09 m + 112.947 m =
6) 123 000 m x 3 234 m =
7) How many significant figures are in the measurement 0.00130 cm?
8) How many significant figures are in the measurement 102.400 meters?
Uncertainty Questions:
1. Indicate the volume on the graduated cylinders. Include the absolute and relative uncertainty.
Round the answers to the right amount of significant figures.
1) 1.23 m x 0.89 m =
2) 7.987 m - 0.54 m =
3) 3.12 g + 0.8 g + 1.033 g =
4) 345.009 g - 23.009 g =
5) 13.004 m + 3.09 m + 112.947 m =
6) 123 000 m x 3 234 m =
7) How many significant figures are in the measurement 0.00130 cm?
8) How many significant figures are in the measurement 102.400 meters?
Uncertainty Questions:
1. Indicate the volume on the graduated cylinders. Include the absolute and relative uncertainty.
2. Measure the sides of the shapes below. Indicate both absolute and relative uncertainty.
Answers
Significant figures:
1) 1.1 m²
2) 7.45m
3) 5.0 g
4) 322.000g
5) 129.04 m
6) 3.98×10⁸ m²
7) 3 sig figs
8) 6 sig figs
Uncertainty:
1.
53.90 mL ± 0.05 mL 53.90 mL ± 0.09%
44.90 mL ± 0.05 mL 44.90 mL ± 0.11%
15.00 mL ± 0.05 mL 15.00 mL ± 0.33%
2.
Height: 2.33 cm ± 0.05 cm
2.33 cm ± 2.14%
Length: 5.00 cm ± 0.05 cm
5.00 cm ± 1.00%