00:01
In this video, we want to consider elements within the human body.
00:04
First, we're asked some questions about nitrogen, specifically what fraction and what percent of the human body's mass does nitrogen make? so it's about 3%, more accurately, 3 .14 % of human body mass.
00:22
If we wanted that as a fraction, that's going to be 314 out of 10 ,000, i guess.
00:34
Let me see if that.
00:39
Yeah, because we want it to equal 0 .0314.
00:46
If you take the percent, move the decimal over two to the left.
00:50
So a whole number fraction would be represented like so, and you can reduce this or, you know, depending on what form it's asking...