Rewrite using a single exponet 7^3·7^3
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A good way of doing this problem would be to use cross multiplication of ratios
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Then cross multiply
(10 girls)(270 students)=(X girls)(18 students)
2700=18x
150=x
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Then cross multiply
(10 girls)(270 students)=(X girls)(18 students)
2700=18x
150=x
If you look in a table of sines, you find that sin(θ) = 0.45 corresponds to an angle of about 26°45', so is nearest to 27°.
