Find the following values without a calculator.
Which is larger?
- 4.8 cm or 0.48 m
- 2.8 ℓ or 280 mℓ
- 52 km or 5200 m
(a)
1 m = 100 cm
0.48 m = 0.48 x 100 = 48 cm
4.8 cm < 48 cm
4.8 cm < 0.48 m
(b)
1 ℓ = 1000 mℓ
2.8 ℓ = 2.8 x 1000 = 2800 mℓ
2800 mℓ > 280 mℓ
2.8 ℓ > 280 mℓ
(c)
1 km = 1000 m
52 km = 52 x 1000 = 52000 m
52000 m > 5200 m
52 km > 5200 m
Answer(s): (a) 0.48 m; (b) 2.8 ℓ; (c) 52 km