Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 kg 9 g = _____ g
- 5 km 23 m = _____ m
- 15 ℓ 79 mℓ = _____ mℓ
- 5 m 7 cm = _____ cm
(a)
1 kg = 1000 g
7 kg 9 g
= 7 x 1000 + 9
= 7000 + 9
= 7009 g
(b)
1 km = 1000 m
5 km 23 m
= 5 x 1000 + 23
= 5000 + 23
= 5023 m
(c)
1 ℓ = 1000 mℓ
15 ℓ 79 mℓ
= 15 x 1000 + 79
= 15000 + 79
= 15079 mℓ
(d)
1 m = 100 cm
5 m 7 cm
= 5 x 100 + 7
= 500 + 7
= 507 cm
Answer(s): 7009, 5023, 15079, 507