Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 8 g = _____ g
- 8 km 31 m = _____ m
- 80 ℓ 24 mℓ = _____ mℓ
- 2 m 9 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 8 g
= 2 x 1000 + 8
= 2000 + 8
= 2008 g
(b)
1 km = 1000 m
8 km 31 m
= 8 x 1000 + 31
= 8000 + 31
= 8031 m
(c)
1 ℓ = 1000 mℓ
80 ℓ 24 mℓ
= 80 x 1000 + 24
= 80000 + 24
= 80024 mℓ
(d)
1 m = 100 cm
2 m 9 cm
= 2 x 100 + 9
= 200 + 9
= 209 cm
Answer(s): 2008, 8031, 80024, 209