Find the following values without a calculator.
Which is larger?
- 1.5 cm or 0.15 m
- 1.5 ℓ or 150 mℓ
- 71 km or 7100 m
(a)
1 m = 100 cm
0.15 m = 0.15 x 100 = 15 cm
1.5 cm < 15 cm
1.5 cm < 0.15 m
(b)
1 ℓ = 1000 mℓ
1.5 ℓ = 1.5 x 1000 = 1500 mℓ
1500 mℓ > 150 mℓ
1.5 ℓ > 150 mℓ
(c)
1 km = 1000 m
71 km = 71 x 1000 = 71000 m
71000 m > 7100 m
71 km > 7100 m
Answer(s): (a) 0.15 m; (b) 1.5 ℓ; (c) 71 km