Perhitunggan : D 4.7 × = = 8.968 ×0.1 1 0.433 = 2.0733353 1 = × = 8.968 ×0.2 2 0.433 = 4.1466707 2 = × = 8.968 ×0.3 3 0.433 = 6.220006 3 = × = 8.968 ×0.4 4 0.433 = 8.2933414 4 108