https://file.aiquickdraw.com/mathbot/file/1725514032296i533dhxz.jpg

I can see the image clearly. Let me solve the problems presented step by step:

### 1. How many centimetres are there in:
   - (a) 0.2 m
     - \( 1 \, \text{m} = 100 \, \text{cm} \)
     - \( 0.2 \, \text{m} = 0.2 \times 100 = 20 \, \text{cm} \)
   - (b) 2.5 m
     - \( 2.5 \, \text{m} = 2.5 \times 100 = 250 \, \text{cm} \)

### 2. How many millimetres are there in:
   - (a) 10 cm
     - \( 1 \, \text{cm} = 10 \, \text{mm} \)
     - \( 10 \, \text{cm} = 10 \times 10 = 100 \, \text{mm} \)
   - (b) 9.5 cm
     - \( 9.5 \, \text{cm} = 9.5 \times 10 = 95 \, \text{mm} \)

### 3. How many centimetres are there in:
   - (a) 7 mm
     - \( 1 \, \text{cm} = 10 \, \text{mm} \)
     - \( 7 \, \text{mm} = \frac{7}{10} = 0.7 \, \text{cm} \)
   - (b) 45 mm
     - \( 45 \, \text{mm} = \frac{45}{10} = 4.5 \, \text{cm} \)

### 4. How many metres are there in:
   - (a) 72.4 cm
     - \( 1 \, \text{m} = 100 \, \text{cm} \)
     - \( 72.4 \, \text{cm} = \frac{72.4}{100} = 0.724 \, \text{m} \)
   - (b) 53 m (already in metres, no conversion needed)
     - \( 53 \, \text{m} = 53 \, \text{m} \)

### 5. How many kilometres are there in:
   - (a) 4250 m
     - \( 1 \, \text{km} = 1000 \, \text{m} \)
     - \( 4250 \, \text{m} = \frac{4250}{1000} = 4.25 \, \text{km} \)

Would you like any further details or explanations on these conversions?

### Related Questions:
1. How many centimetres are there in 4.75 meters?
2. How many millimetres are in 8.25 centimetres?
3. Convert 92 mm to centimetres.
4. How many kilometres are in 7200 metres?
5. What is the conversion factor from kilometres to centimetres?

**Tip:** Always remember that metric conversions are based on powers of 10, making calculations straightforward with shifting decimal places.

Solve the problems in the image related to unit conversions (centimetres, millimetres, metres, kilometres).

Solve unit conversion problems involving centimetres, millimetres, metres, and kilometres with step-by-step solutions. Learn key formulas and concepts for easy metric conversions. Suitable for Grades 5-7.

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