Find the following values without a calculator.
Which is larger?
- 3.5 cm or 0.35 m
- 2.8 ℓ or 280 mℓ
- 54 km or 5400 m
(a)
1 m = 100 cm
0.35 m = 0.35 x 100 = 35 cm
3.5 cm < 35 cm
3.5 cm < 0.35 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
54 km = 54 x 1000 = 54000 m
54000 m > 5400 m
54 km > 5400 m
Answer(s): (a) 0.35 m; (b) 2.8 ℓ; (c) 54 km