Short Tons to Grams - Chemistry?

John

New member
How many grams are there in 2.18 short tons? Note that 1 g = 0.03527 oz (ounces avoirdupois), 1 lb (pound) = 16 oz, and 1 short ton = 2000 lb. (These relations are exact.)

So i did 2.18 ST (2000LB/1ST)(16oz/1lb)(1g/.03527oz) and i get a wrong answer

also

(847.97 - 847.68) multiplied by 14659

I get 4251.11 but I can't get the right sigfig, i tried (4251.1, 4251.2, 4251.20) nothing will work!! HELP
 
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