Practice Problems: Scientific Notations

Practice Problems: Scientific Notations

1.  Transform the following notations into proper scientific notations:

a.  672.10 mm = ______

b.  0.000749 g = ______

c.  0.003452 x 10-4 mL = ______

d.  230.4 x 106 cm = ______

e.  0.00876 x 10-4 g = ______

f.  7456 x 105 m = ______

g.  0.0002189 x 104 L = ______

h.  356.92 x 10-6 m =______

2.  Fill-in the blanks.

a.  3.25 x 10-4 g = ______x 10-2 g = ______x 10-6 g

b.  7.932 x 103 cm = ______x 10-1 cm = ______x 105 cm

c.  1.45 x 10-4 L = ______x 10-5 L = ______x 10-3 L

d.  7.65 x 105 kg = ______x 103 kg = ______x 107 kg

e.  4.762 x 10-5 m = ______x 10-3 m = ______x 10-7 m

3.  Complete the mathematical operations and round to the proper number of significant figures:

a.  2.54 x 10-3 m – 2.64 x 10-4 m = ______

b.  5.06 x 104 g + 1.31 x 105 g = ______

c.  1.52 x 10-3 L + 2.73 x 10-4 L = ______

d.  8.754 x 10-3 cm – 8.32 x 10-4 cm = ______

4.  Complete the mathematical operations and round to the proper number of significant figures:

a.  (3.763 x 102) m / (1.82 x 104)s = ______

b.  (7.40 x 10-5) g/(2.9 x 10-2) cm3= ______

c.  (6.44 x 10-2) cm x (4.663 x 103) cm = ______

d.  (6.523 x 10-4) m x (2.913 x 103) m = ______