[(3.84 * 10^3)- (5.02*10^2)]*(6.545*10^-2)
3.85 x 103 = 3850
5.02 x 102 = 502
[(3.84 * 10^3)- (5.02*10^2)] = [3850 - 502] = 3348
6.545 x 10-2 = 0.06545
3348 x 0.06545 = 219.1266 = 2.191266 x 102
