Question

1. 0.24 mg = __________ kg
2. 7.5 kl = __________ l
3. 874 m = __________ cm
4. 1 cm = __________ km
5. 8.412 mm = ________ m
6. 68.2 mg = _________ g
7. 8.5743 cm = _______ km
8. 95,870 m = ________ mm
9. 547 kl = _________ ml
10. 1 km = _________ mm

Explanation:

31: Convert mg to kg

$0.24 \, \text{mg} \times \frac{1 \, \text{g}}{1000 \, \text{mg}} \times \frac{1 \, \text{kg}}{1000 \, \text{g}} = 2.4 \times 10^{-7} \, \text{kg}$

32: Convert kL to L

$7.5 \, \text{kL} \times 1000 \, \text{L/kL} = 7500 \, \text{L}$

33: Convert m to cm

$874 \, \text{m} \times 100 \, \text{cm/m} = 87400 \, \text{cm}$

34: Convert cm to km

$1 \, \text{cm} \times \frac{1 \, \text{m}}{100 \, \text{cm}} \times \frac{1 \, \text{km}}{1000 \, \text{m}} = 1 \times 10^{-5} \, \text{km}$

35: Convert mm to m

$8.412 \, \text{mm} \times \frac{1 \, \text{m}}{1000 \, \text{mm}} = 0.008412 \, \text{m}$

36: Convert mg to g

$68.2 \, \text{mg} \times \frac{1 \, \text{g}}{1000 \, \text{mg}} = 0.0682 \, \text{g}$

37: Convert cm to km

$8.5743 \, \text{cm} \times \frac{1 \, \text{m}}{100 \, \text{cm}} \times \frac{1 \, \text{km}}{1000 \, \text{m}} = 8.5743 \times 10^{-5} \, \text{km}$

38: Convert m to mm

$95870 \, \text{m} \times 1000 \, \text{mm/m} = 95870000 \, \text{mm}$

39: Convert kL to mL

$547 \, \text{kL} \times 1000 \, \text{L/kL} \times 1000 \, \text{mL/L} = 547000000 \, \text{mL}$

40: Convert km to mm

$1 \, \text{km} \times 1000 \, \text{m/km} \times 1000 \, \text{mm/m} = 1000000 \, \text{mm}$

Answer:

1. $2.4 \times 10^{-7}$
2. 7500
3. 87400
4. $1 \times 10^{-5}$
5. 0.008412
6. 0.0682
7. $8.5743 \times 10^{-5}$
8. 95870000
9. 547000000
10. 1000000