1
|
a. metres | b. kilometres | c. metres | d. centimetres |
2. a. 57 mm
b. 5.0 cm
c. 78 mm
3. (i) The width of a laptop computer | 30 cm |
(ii) The height of a tennis player | 195 cm |
(iii) The length of a snowboard | 2.1 m |
(iv) The length of a calculator | 120 mm |
(v) The thickness of a paperback book | 12 mm |
(vi) The length of a space rocket | 30 m |
4.
mm
|
cm
|
m
|
km
|
590
|
59
|
0.59
|
0.00059
|
1 400
|
140
|
1.4
|
0.0014
|
2 300 000
|
230 000
|
2 300
|
2.3
|
5.
a
|
7000 m |
b
|
6349 m |
c
|
12.32 m |
d
|
12.24 m |
e
|
1450 m |
f
|
0.855 m |
6.
a. 0.5 cm | b. 4000 m |
c. 1.2 m | d. 23 mm |
e. 0.234 m | f. 140 000 |
g. 0.44 km | h. 12 000 cm |
i. 32.4 cm | j. 3 900 000 |