what are the sentences? but 2/4, could also be 1/2 or a half
the base must be raised
for example
55 = n ( the base is 10 ), then
55 =
First term = 2 x 5(1-1) = 2 x 1 = 2
4th term = 2 x 5^3 = 250
8th term = 2 x 5^7 = 156,250
Since the formula for density is mass/volume and 60 inches =983.244 cubic centimeters the density is 7.1194