Find the following values without a calculator.
Which is larger?
- 3.8 cm or 0.38 m
- 1.5 ℓ or 150 mℓ
- 12 km or 1200 m
(a)
1 m = 100 cm
0.38 m = 0.38 x 100 = 38 cm
3.8 cm < 38 cm
3.8 cm < 0.38 m
(b)
1 ℓ = 1000 mℓ
1.5 ℓ = 1.5 x 1000 = 1500 mℓ
1500 mℓ > 150 mℓ
1.5 ℓ > 150 mℓ
(c)
1 km = 1000 m
12 km = 12 x 1000 = 12000 m
12000 m > 1200 m
12 km > 1200 m
Answer(s): (a) 0.38 m; (b) 1.5 ℓ; (c) 12 km