A person drinks 13.2 x [tex]10^{27}[/tex] molecules of water in a year
The branch of mathematics that aids in the representation of problems or situations through mathematical expressions is called Algebra
Given that
Number of molecules in a liter of water = 6 x [tex]10^{24}[/tex]
A person drinks water in a year = 2.2 x [tex]10^{3}[/tex]
Do we have to find the number of molecules a person drinks in a year =?
Now let us consider
X = number of molecules a person drinks in a year
1 litre of water = 6 x [tex]10^{24}[/tex] molecules
2.2 x [tex]10^{3}[/tex] = X
X = 6 x [tex]10^{24}[/tex] x 2.2 x [tex]10^{3}[/tex]
X= 13.2 x [tex]10^{27}[/tex]
Therefore 13.2 x [tex]10^{27}[/tex] molecules of water a person drinks in a year
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