Astudent converts grams to milligrams by multiplying by the conversion factor 1g/1000 mg. is the student performing this calculation correctly?

Solution:

we are given that

Student converts grams to milligrams by multiplying by the conversion factor 1g/1000 mg.

we have been asked to find Is the student performing this calculation correctly?

Suppose you have x grams of  something and convert it into mg as follows:

As we know that

So we can write

mg

It mean that conversion factor is

It mean student doesn't performed the calculations correctly.

so, converting firstly the mixed fractions to improper fractions and then "adding".