Find the following values without a calculator.
Which is smaller?
- 2.4 cm or 0.24 m
- 1.9 ℓ or 190 mℓ
- 98 km or 9800 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
1.9 ℓ = 1.9 x 1000 = 1900 mℓ
1900 mℓ > 190 mℓ
1.9 ℓ > 190 mℓ
(c)
1 km = 1000 m
98 km = 98 x 1000 = 98000 m
98000 m > 9800 m
98 km > 9800 m
Answer(s): (a) 2.4 cm; (b) 190 mℓ; (c) 9800 m