8.64E9 = 8640,000,000
8.64E14 = 864,000,000,000,000
8.64E11 = 864,000,000,000
8.64E13 = 86,400,000,000,000
There are a total of 4 quarters and 16 nickels.
(x,y)
x means how far right from the center the point is (if it is to the left, make it negative)
y means how far up from the center the point is (if it is down then make it negative)
answer is A