| 1. | (a) 4.4 | (b) 5 | (c) 0.004 | (d) 820 | (e) 5.80 |
| (f) 0.62 | (g) 4.136 | (h) 91300 | (i) 270 | (j) 0.009 |
2.
|
(a) |
10 |
30 |
80 |
2 |
- 6 |
|
(b) |
13.0 |
26.6 |
72.4 |
1.99 |
- 5.94 |
3.
(a) 5.7
(b) 4.40
(c) 0.09
(d) 327.295
(e) 40.1 (f) 50.0
4. (a) 5.34 (b) 191 (c) 1016
5. (a) 37 000 people
(b) 2 kg
(c) $21,400
(d) 370 runs
6.
|
Estimated cost ($): |
20.00 |
2.00 |
0.60 |
1.00 |
6.00 |
|
Accurate cost ($): |
19.96 |
1.78 |
0.66 |
1.10 |
6.75 |
7.
(a) 3.5 cm ≤ length < 4.5 cm
(b) 6.65 g ≤ mass < 6.75 g
(c) 5.355mL ≤ volume < 5.365 mL
(d) 134.5 m ≤ length < 135.5 m
(e) 0.45 kg ≤ mass < 0.55 kg
(f) 52.5 km ≤ distance < 53.5 km
