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Convert 25cm to mm.

March 23, 2026Mathematics

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Here are the answers to the questions:

Name the instruments that are used to measure the following.
- (iii) Distance that you have travelled in a vehicle An odometer.
Convert 25 cm to mm.

Recall the conversion factor between centimeters and millimeters.
$$ 1 \text{ cm} = 10 \text{ mm} $$

$$
25 \text{ cm} = 25 \times 10 \text{ mm} = 250 \text{ mm}
$$
The conversion is $\boxed{\text{250 mm}}$.

5. Convert 30 km to m.

Recall the conversion factor between kilometers and meters.
$$ 1 \text{ km} = 1000 \text{ m} $$

$$
30 \text{ km} = 30 \times 1000 \text{ m} = 30000 \text{ m}
$$
The conversion is $\boxed{\text{30000 m}}$.

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