Find the following values without a calculator.
Which is smaller?
- 1.3 cm or 0.13 m
- 3.2 ℓ or 320 mℓ
- 67 km or 6700 m
(a)
1 m = 100 cm
0.13 m = 0.13 x 100 = 13 cm
1.3 cm < 13 cm
1.3 cm < 0.13 m
(b)
1 ℓ = 1000 mℓ
3.2 ℓ = 3.2 x 1000 = 3200 mℓ
3200 mℓ > 320 mℓ
3.2 ℓ > 320 mℓ
(c)
1 km = 1000 m
67 km = 67 x 1000 = 67000 m
67000 m > 6700 m
67 km > 6700 m
Answer(s): (a) 1.3 cm; (b) 320 mℓ; (c) 6700 m