If the scale factor is 4, the area of the larger figure is 4^2 times that of the smaller one.
... (7 m^2)·4^2 = 112 m^2
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The scale factor for area is the square of the scale factor for linear dimensions. When we talk about a scale factor without qualification, we mean the scale factor for linear dimensions.
Number of shares 1050/10=105 After one year share value 10×(1+0.13)=11.3 After the second year share value 11.3×(1−0.05)=10.735 Total 10.735×105=1,127.175
