Find the following values without a calculator.
Which is larger?
- 2.2 cm or 0.22 m
- 3.5 ℓ or 350 mℓ
- 36 km or 3600 m
(a)
1 m = 100 cm
0.22 m = 0.22 x 100 = 22 cm
2.2 cm < 22 cm
2.2 cm < 0.22 m
(b)
1 ℓ = 1000 mℓ
3.5 ℓ = 3.5 x 1000 = 3500 mℓ
3500 mℓ > 350 mℓ
3.5 ℓ > 350 mℓ
(c)
1 km = 1000 m
36 km = 36 x 1000 = 36000 m
36000 m > 3600 m
36 km > 3600 m
Answer(s): (a) 0.22 m; (b) 3.5 ℓ; (c) 36 km