Significant Figures Worksheet - Ms. Pasta's Classes
[Pages:2]Significant Figures Worksheet
1. Indicate how many significant figures there are in each of the following measured values.
246.32 107.854 100.3 0.678
1.008 0.00340 14.600 0.0001
700000 350.670 1.0000 320001
2. Calculate the answers to the appropriate number of significant figures.
32.567 135.0 + 1.4567
246.24 238.278 + 98.3__
658.0 23.5478 + 1345.29__
3. Calculate the answers to the appropriate number of significant figures.
a) 23.7 x 3.8
=
b) 45.76 x 0.25
=
c) 81.04 x 0.010 =
d) 6.47 x 64.5
=
e) 43.678 x 64.1 =
f) 1.678 / 0.42
=
g) 28.367 / 3.74 =
h) 4278 / 1.006
=
Significant Figures Worksheet Key
1. Indicate how many significant figures there are in each of the following measured values.
246.32 5 sig figs 107.854 6 sig figs 100.3 4 sig figs 0.678 3 sig figs
1.008 4 sig figs 0.00340 3 sig figs 14.600 5 sig figs 0.0001 1 sig fig
700000 1 sig fig 350.670 6 sig figs 1.0000 5 sig figs 320001 6 sig figs
2. Calculate the answers to the appropriate number of significant figures.
32.567 135.0 + 1.4567 169.0
246.24 238.278 + 98.3__ 582.8
3. Calculate the answers to the appropriate number of significant figures.
658.0 23.5478 + 1345.29__ 2026.8
a) 23.7 x 3.8
= 90.
e) 43.678 x 64.1 = 2.80 x 103
b) 45.76 x 0.25
= 11
f) 1.678 / 0.42
= 4.0
c) 81.04 g x0.010 = 0.81
g) 28.367 / 3.74 = 7.58
d) 6.47 x 64.5
= 417
h) 4278 / 1.006
= 4252
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