Find the following values without a calculator.
Which is smaller?
- 1.9 cm or 0.19 m
- 1.6 ℓ or 160 mℓ
- 93 km or 9300 m
(a)
1 m = 100 cm
0.19 m = 0.19 x 100 = 19 cm
1.9 cm < 19 cm
1.9 cm < 0.19 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
93 km = 93 x 1000 = 93000 m
93000 m > 9300 m
93 km > 9300 m
Answer(s): (a) 1.9 cm; (b) 160 mℓ; (c) 9300 m