crazyemogirl45
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what exactly is a conversion factor and how do you use one

Sagot :

AL2006
A conversion factor is a fraction equal to ' 1 '.  It has the same quantity in the numerator and denominator, but they're in different units.  You use it to convert a number from one unit to another unit.  In order to do that, you multiply the original number by the fraction that's equal to ' 1 ', so you don't change the value of the original number, but you change its units.

Example:

How many inches are there in 7 feet ?

Use the fraction (12 inches)/(1 foot) which is equal to ' 1 ', and multiply.

                         (7 foot) x (12 inches/1 foot)

This multiplication produces    (7 x foot x 12 x inches) / (1 foot)

When you divide top and bottom by 'foot', you have (7 x 12 inches) = 84 inches .
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