Find the following values without a calculator.
Which is smaller?
- 3.5 cm or 0.35 m
- 2.9 ℓ or 290 mℓ
- 62 km or 6200 m
(a)
1 m = 100 cm
0.35 m = 0.35 x 100 = 35 cm
3.5 cm < 35 cm
3.5 cm < 0.35 m
(b)
1 ℓ = 1000 mℓ
2.9 ℓ = 2.9 x 1000 = 2900 mℓ
2900 mℓ > 290 mℓ
2.9 ℓ > 290 mℓ
(c)
1 km = 1000 m
62 km = 62 x 1000 = 62000 m
62000 m > 6200 m
62 km > 6200 m
Answer(s): (a) 3.5 cm; (b) 290 mℓ; (c) 6200 m