1. Q 1 & 2 p23
1. Write the following measurements in scientific notation:
a m
d m
b kg
e km
c L
f kg
2. Write the following measurements in long form:
a x 103 g
c x 106 km
b x 10-3 m
d x 10-8 cm

2. Q 1 & 2 p23 — Answers
1. Write the following measurements in scientific notation:
a m
d m
b kg
e km
c L
f kg
8 x 108 m
9.5 x 10-4 m
1.5 x 10-3 kg
8.002 x 106 km
6.02 x 104 L
6 x kg
2. Write the following measurements in long form:
a x 103 g
c x 106 km
b x 10-3 m
d x 10-8 cm
4 500 g km m cm

3. Q1 p 24
(5.5 x 104 cm) x (1.4 x 104 cm) = x 108 cm2
(2.77 x 10-5 m) x (3.29 x 10-4 m) = x 10-1 m2
(4.34 g/ml) x (8.22 x 106 ml) = x 106 g = 3.57 x 107 g
(3.8 x 10-2 cm) x (4.4 x 10-2 cm) x (7.5 x 10-2 cm) = x 10-6 cm3 = 1.3 x 10-4 cm3

4. Q2 p 24
Make sure you at least try to use units!
EITHER ANSWER IS OK!