An artifact was found to have an original amount of Carbon-14 of 12 grams. Approximately how many grams of Carbon-14 remain after 5000 years? Carbon 14 decays at a rate of -0.00012 grams per year. 1) 6.6 grams
2) 10.4 grams
3) 11.2 grams
4) 7.1 grams

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?