Find the following values without a calculator.
Which is larger?
- 4.4 cm or 0.44 m
- 2.3 ℓ or 230 mℓ
- 82 km or 8200 m
(a)
1 m = 100 cm
0.44 m = 0.44 x 100 = 44 cm
4.4 cm < 44 cm
4.4 cm < 0.44 m
(b)
1 ℓ = 1000 mℓ
2.3 ℓ = 2.3 x 1000 = 2300 mℓ
2300 mℓ > 230 mℓ
2.3 ℓ > 230 mℓ
(c)
1 km = 1000 m
82 km = 82 x 1000 = 82000 m
82000 m > 8200 m
82 km > 8200 m
Answer(s): (a) 0.44 m; (b) 2.3 ℓ; (c) 82 km