Find the following values without a calculator.
Which is smaller?
- 4.6 cm or 0.46 m
- 2.2 ℓ or 220 mℓ
- 83 km or 8300 m
(a)
1 m = 100 cm
0.46 m = 0.46 x 100 = 46 cm
4.6 cm < 46 cm
4.6 cm < 0.46 m
(b)
1 ℓ = 1000 mℓ
2.2 ℓ = 2.2 x 1000 = 2200 mℓ
2200 mℓ > 220 mℓ
2.2 ℓ > 220 mℓ
(c)
1 km = 1000 m
83 km = 83 x 1000 = 83000 m
83000 m > 8300 m
83 km > 8300 m
Answer(s): (a) 4.6 cm; (b) 220 mℓ; (c) 8300 m