14. A bridge can support a mass of 2.8 tons. How many kilograms of weight can the bridge support? a. 28 000 kilograms c. 2 800 kilograms b. 0.00028 kilograms d. 0.0028 kilograms 15. How many months are there in 10 decades? 1 200 b. 10 000 c. 120 d. 12 000 a.