Find the following values without a calculator.
Which is smaller?
- 4.3 cm or 0.43 m
- 1.6 ℓ or 160 mℓ
- 71 km or 7100 m
(a)
1 m = 100 cm
0.43 m = 0.43 x 100 = 43 cm
4.3 cm < 43 cm
4.3 cm < 0.43 m
(b)
1 ℓ = 1000 mℓ
1.6 ℓ = 1.6 x 1000 = 1600 mℓ
1600 mℓ > 160 mℓ
1.6 ℓ > 160 mℓ
(c)
1 km = 1000 m
71 km = 71 x 1000 = 71000 m
71000 m > 7100 m
71 km > 7100 m
Answer(s): (a) 4.3 cm; (b) 160 mℓ; (c) 7100 m