Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 kg 1 g = _____ g
- 8 km 40 m = _____ m
- 94 ℓ 82 mℓ = _____ mℓ
- 5 m 5 cm = _____ cm
(a)
1 kg = 1000 g
2 kg 1 g
= 2 x 1000 + 1
= 2000 + 1
= 2001 g
(b)
1 km = 1000 m
8 km 40 m
= 8 x 1000 + 40
= 8000 + 40
= 8040 m
(c)
1 ℓ = 1000 mℓ
94 ℓ 82 mℓ
= 94 x 1000 + 82
= 94000 + 82
= 94082 mℓ
(d)
1 m = 100 cm
5 m 5 cm
= 5 x 100 + 5
= 500 + 5
= 505 cm
Answer(s): 2001, 8040, 94082, 505