|
1(a) 28 300 g |
(b) 0.00073 g |
(c) 56.28 g |
(d) 710 g |
|
2.(a) 5 300 000 mL |
(b) 62 000 mL |
(c) 63 mL |
(d) 870 000 mL |
|
3.(a) 5 km |
(b) 0.62 km |
(c) 0. 00000327 km |
(d) 46.2 km |
4.
|
0.005 |
5 |
500 |
5000 |
|
0.3 |
300 |
30 000 |
300 000 |
|
0.0008 |
0.8 |
80 |
800 |
|
5.(a) kg |
(b) km |
(c) mL |
(d) mm |
(e) kL or m3 |
|
6.(a) metres |
(b) litres |
(c) cubic cm |
(d) square cm |
(e) kilograms |
|
7.(a) centimetres |
(b) millimetres |
(c) metres |
(d)kilometres |
|
|
8.(a) 1400 |
(b) 0715 |
(c) 0035 |
(d) 2253 |
|
|
9.(a) 6.00 pm |
(b) 3.45 am |
(c) 3.52 pm |
(d) 12.37 am |
10. Difference of times is between 0915 and 1647 = 2 hr 45 min to midday + 4 hr 47 min after midday
= 7 hours 32 minutes
Difference of temperatures = 21.5 − 12
= 9.5oC
11. Add together the three times 57 + 72 + 49 = 178 minutes
Add the three change-overs = 2 × 4 = 8 minutes
Total time = 178 + 8 = 186 minutes
The event will finish at 7.30 am plus 3 hours 6 minutes = 10.36 am
