Can someone please explain this?

Question

The volume of a child's model plane is 120#cm^3#. The volume of the full size plane is 4050#m^3#.

Find the scale of the model in the form #1:n#

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Answer 1 · 2018-08-07T17:20:45

#n = 3.375 xx 10^7#

#frac{120cm^3}{4050*1000*1000cm^3} = frac{12}{40500 * 10^4} = frac{1}{33,750,000}#