Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 810 km = ______m
- 8 12 m = ____ cm
- 7 520 kg = _____ g
- 1 28 ℓ = _____ mℓ
(a)
7
810 km = 7.8 km
1 km = 1000 m
7.8 km = 7.8 x 1000 = 7800 m
(b)
8
12 m = 8.5 m
1 m = 100 cm
8.5 m = 8.5 x 100 = 850 cm
(c)
7
520 kg = 7.25 kg
1 kg = 1000 g
7.25 kg = 7.25 x 1000 = 7250 g
(d)
1
28 ℓ = 1.25 ℓ
1 ℓ = 1000 mℓ
1.25 ℓ = 1.25 x 1000 = 1250 mℓ
Answer(s): 7800, 850, 7250, 1250