To convert pounds to kilograms, multiply by which factor?

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Multiple Choice

To convert pounds to kilograms, multiply by which factor?

Explanation:
The main idea is that pounds and kilograms are two units for measuring mass, and there’s a fixed factor between them. One pound is about 0.4536 kilograms, so to convert pounds to kilograms you multiply by roughly 0.454. Using 0.454 gives a simple, accurate enough estimate for quick calculations (the exact factor is 0.45359237). The other numbers don’t fit: 1.0 would leave the value unchanged, 0.275 is far too small, 1.5 would inflate the mass, and 2.2046 is the conversion factor for going from kilograms to pounds, not pounds to kilograms.

The main idea is that pounds and kilograms are two units for measuring mass, and there’s a fixed factor between them. One pound is about 0.4536 kilograms, so to convert pounds to kilograms you multiply by roughly 0.454. Using 0.454 gives a simple, accurate enough estimate for quick calculations (the exact factor is 0.45359237). The other numbers don’t fit: 1.0 would leave the value unchanged, 0.275 is far too small, 1.5 would inflate the mass, and 2.2046 is the conversion factor for going from kilograms to pounds, not pounds to kilograms.

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