Find the following values without a calculator.
Which is smaller?
- 1.1 cm or 0.11 m
- 1.9 ℓ or 190 mℓ
- 39 km or 3900 m
(a)
1 m = 100 cm
0.11 m = 0.11 x 100 = 11 cm
1.1 cm < 11 cm
1.1 cm < 0.11 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
39 km = 39 x 1000 = 39000 m
39000 m > 3900 m
39 km > 3900 m
Answer(s): (a) 1.1 cm; (b) 190 mℓ; (c) 3900 m