Find the following values without a calculator.
Which is larger?
- 4.1 cm or 0.41 m
- 3.8 ℓ or 380 mℓ
- 10 km or 1000 m
(a)
1 m = 100 cm
0.41 m = 0.41 x 100 = 41 cm
4.1 cm < 41 cm
4.1 cm < 0.41 m
(b)
1 ℓ = 1000 mℓ
3.8 ℓ = 3.8 x 1000 = 3800 mℓ
3800 mℓ > 380 mℓ
3.8 ℓ > 380 mℓ
(c)
1 km = 1000 m
10 km = 10 x 1000 = 10000 m
10000 m > 1000 m
10 km > 1000 m
Answer(s): (a) 0.41 m; (b) 3.8 ℓ; (c) 10 km