(2^3)=2*2*2=8
(2^-7)=1/2*1/2*1/2*1/2*1/2*1/2*1/2=1/128
8*1/128=1/16=.0625
<span>Percent change = [(40 - 90) / 40] x 100 = 125 % (increase) </span>125% increase
I notice that The price is higher than the original price
And I wonder it is because of the tax?
The perimeter is 62 inches. My work is shown in the picture.
77 times 100 is 7,700. So your answer is 7,700