Find the following values without a calculator.
Which is smaller?
- 2.4 cm or 0.24 m
- 1.3 ℓ or 130 mℓ
- 97 km or 9700 m
(a)
1 m = 100 cm
0.24 m = 0.24 x 100 = 24 cm
2.4 cm < 24 cm
2.4 cm < 0.24 m
(b)
1 ℓ = 1000 mℓ
1.3 ℓ = 1.3 x 1000 = 1300 mℓ
1300 mℓ > 130 mℓ
1.3 ℓ > 130 mℓ
(c)
1 km = 1000 m
97 km = 97 x 1000 = 97000 m
97000 m > 9700 m
97 km > 9700 m
Answer(s): (a) 2.4 cm; (b) 130 mℓ; (c) 9700 m