The nuclear waste from a nuclear power plant decays at a rate of 1% each century. If the nuclear plant has 40 pounds of this waste disposed of at a disposal site. How much nuclear waste will still remain at the disposal site after 14 centuries. Use y = 40 (e) )-0.014 ", and let t 14. If needed, enter your answer to 3 decimal places. y = pounds.

The population of a village grows at the rate of 8% per year, Determine how long it will take to double the initial population O a. log 2 years O b. 꼭log 2 years O c. log 2 years O d. 부log 2 years

40 grams of radioactive material decays to 35 grams in 20 years. Find the half-life. 5

A toxic radioactive substance in the amount of 7 miligrams per square centimeters is detected in the ventilating ducts of an old nuclear processing building. If the half-life of the substance is 17 years what was the amount of the substance when it was deposited 41 years ago?