Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 kg 4 g = _____ g
- 3 km 82 m = _____ m
- 82 ℓ 32 mℓ = _____ mℓ
- 9 m 5 cm = _____ cm
(a)
1 kg = 1000 g
3 kg 4 g
= 3 x 1000 + 4
= 3000 + 4
= 3004 g
(b)
1 km = 1000 m
3 km 82 m
= 3 x 1000 + 82
= 3000 + 82
= 3082 m
(c)
1 ℓ = 1000 mℓ
82 ℓ 32 mℓ
= 82 x 1000 + 32
= 82000 + 32
= 82032 mℓ
(d)
1 m = 100 cm
9 m 5 cm
= 9 x 100 + 5
= 900 + 5
= 905 cm
Answer(s): 3004, 3082, 82032, 905