Find the following values without a calculator.
Which is larger?
- 3.4 cm or 0.34 m
- 2.5 ℓ or 250 mℓ
- 44 km or 4400 m
(a)
1 m = 100 cm
0.34 m = 0.34 x 100 = 34 cm
3.4 cm < 34 cm
3.4 cm < 0.34 m
(b)
1 ℓ = 1000 mℓ
2.5 ℓ = 2.5 x 1000 = 2500 mℓ
2500 mℓ > 250 mℓ
2.5 ℓ > 250 mℓ
(c)
1 km = 1000 m
44 km = 44 x 1000 = 44000 m
44000 m > 4400 m
44 km > 4400 m
Answer(s): (a) 0.34 m; (b) 2.5 ℓ; (c) 44 km