Find the following values without a calculator.
Which is larger?
- 4.3 cm or 0.43 m
- 3.5 ℓ or 350 mℓ
- 82 km or 8200 m
(a)
1 m = 100 cm
0.43 m = 0.43 x 100 = 43 cm
4.3 cm < 43 cm
4.3 cm < 0.43 m
(b)
1 ℓ = 1000 mℓ
3.5 ℓ = 3.5 x 1000 = 3500 mℓ
3500 mℓ > 350 mℓ
3.5 ℓ > 350 mℓ
(c)
1 km = 1000 m
82 km = 82 x 1000 = 82000 m
82000 m > 8200 m
82 km > 8200 m
Answer(s): (a) 0.43 m; (b) 3.5 ℓ; (c) 82 km