Answer:
Step-by-step explanation:
The most accurate measurement of one pound is defined in the International System of Units (SI) as exactly 0.45359237 kilograms. This precise value is based on the definition of the pound in terms of the kilogram, which is the base unit of mass in the SI system.
In some contexts, especially in countries that use the imperial system, a pound is commonly rounded to approximately 0.4536 kilograms or 453.6 grams. However, for scientific and international purposes, the exact value of 0.45359237 kilograms is used to ensure consistency and accuracy in measurements.