Perhitunggan : P.8 = × = × = 18.999 ×0.1 = 18.999 ×0.2 2 1 0.223 0.223 = 8.532536402 = 17.0650728 2 1 Perhitunggan : D 8.2 = × = 7.197 ×0.1 1 0.265 = 2.717439224 1 = × = 7.197 ×0.2 2 0.265 = 5.434878447 2 112