Find the following values without a calculator.
Which is larger?
- 1.8 cm or 0.18 m
- 3.7 ℓ or 370 mℓ
- 45 km or 4500 m
(a)
1 m = 100 cm
0.18 m = 0.18 x 100 = 18 cm
1.8 cm < 18 cm
1.8 cm < 0.18 m
(b)
1 ℓ = 1000 mℓ
3.7 ℓ = 3.7 x 1000 = 3700 mℓ
3700 mℓ > 370 mℓ
3.7 ℓ > 370 mℓ
(c)
1 km = 1000 m
45 km = 45 x 1000 = 45000 m
45000 m > 4500 m
45 km > 4500 m
Answer(s): (a) 0.18 m; (b) 3.7 ℓ; (c) 45 km