1 km =_________cm

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$10^{7}$

$10^{3}$

$10^{6}$

$10^{5}$

answer is C.

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Detailed Solution

The metric system is widely used for scientific and everyday measurements. In this system, units are based on powers of 10, making conversions simple. When it comes to distance, 1 kilometer (1 km) is equal to 1000 meters (m). Now, to convert kilometers into centimeters (cm), we need to recall that:

1 meter = 100 centimeters
1 kilometer = 1000 meters

So, to convert 1 km into centimeters, we multiply the number of meters in 1 km (which is 1000 meters) by the number of centimeters in 1 meter (which is 100 cm). The calculation looks like this:

1 km = 1000 meters × 100 centimeters/meter = 100,000 centimeters

Therefore, 1 kilometer (1 km) is equal to 100,000 centimeters (or 10⁵ cm). This simple conversion rule holds true for any distance measured in kilometers. You can apply the same logic to convert any other value of kilometers to centimeters as well.

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