Significant Figures Worksheet



Significant Figures Worksheet

1) Determine the number of significant figures in each of the following:

(a) 5.432 g (b) 40.319 g (c) 146 cm

(d) 3.285 cm (e) 0.189 s (f) 429.3 mm

(g) 2873.0 A (h) 99.9 ml (i) 0.0000246 g

(j) 144 mol (k) 2500 cm (l) 2500.0 cm

(m) 1.04 x 1012 g (n) 5.59 x 10-7 m (o) 0.0000242 mg

(q) 7.5000 x 103 km (r) 1.00001 s (t) 0.00001 s

2) Complete the following addition questions:

a) 12 cm + 0.031 cm + 7969 cm =

b) 0.085 cm + 0.062 cm + 0.14 cm =

c) 3.419 g + 3.912 g + 7.0518 g + 0.00013 g =

d) 30.5 g + 16.82 g + 41.07 g + 85.219 g =

e) 143.0 cm + 289.25 cm + 68.45 cm + 6.00 cm =

f) 29.49 cm + 83.46 cm + 107.05 cm + 26.628 cm =

g) 0.0653 g + 0.08538 g + 0.07654 g + 0.0432 g =

h) 1.8 x 10-5 cm + 3.25 x 10-4 cm + 4.6 x 10-5 cm =

i) 63.489 ml + 126.2 ml + 68.58 ml + 12.05 ml =

j) 2.3 x 102 g + 4.62 x 102 g + 3.852 x 102 g =

3) Complete the following subtraction questions:

(a) 41.025 cm – 23.28 cm = (b) 289 g – 43.7 g =

(c) 145.63 ml – 28.9 ml = (d) 62.47 g – 39.9 g =

(e) 40.008 ml – 29.0941 ml (f) 960 s – 55 s =

(g) 2000 m – 25.25 m = (h) 2000. m – 25.25 m =

4) Complete the following multiplication questions (be careful with units):

(a) 2.89 cm x 4.01 cm = (b) 17.3 cm x 6.2 cm =

(c) 5.08 m x 1.2 m = (d) 5.00 mm x 7.3216 mm =

(e) 20.8 dm x 123.1 dm = (f) 5 cm x 5 cm =

(g) 5.0 cm x 5 cm = (h) 5.0 cm x 5.0 cm =

(i) 4.218 cm x 6.5 cm = (j) (4.8 x 102 m)(2.101 x 103 m) =

(k) 150.0 m x 4.00 m = (l) (9.13 x 10-4 cm)(1.2 x 10-3 cm) =

(m) 282.2 km x 3.0 km = (n) (1.4 x 10-4 m)(7.325 x 103 m) =

5) Complete the following division questions (be careful with units):

(a) 8.071 cm2 = (b) 24789.4 km2 =

4.216 cm 43.5 km

(c) 4.819 cm2 = (d) 2.23 m2 =

9.852 cm 18.941 m

(e) 8.423 x 1014 mm2 = (f) 109.3758 m2 =

5.813 x 1012 mm 5.813 m

(g) 6.05 mm2 = (h) 139.482 m2 =

0.85 mm 68.75 m

(i) 85.613 g = (j) 67.2 L =

2.2 cm3 3.00 mol

(k) 125 cm2 = (l) 125 cm2 =

5 cm 25 cm

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