Berapakah 9000dm + 8hm =…..dam

9.000 dm = dam
9.000 ÷ 100 = 90 dam
8 hm = dam
8 × 10 = 80 dam
90 + 80 = 170

9000 dm = 90 dam . . 8 hm = 80 dam . . 90 dam + 80 dam = 170 dam