Question 7 0/1 pt 0 3 2 99 0 Details The count in a bateria culture was 500 after 10 minutes and 1100 after 40 minutes. Assuming the count grows exponentially, What was the initial size of the culture? Find the doubling period. Find the population after 85 minutes. When will the population reach 13000. Question Help: Video Submit Question Question 8 0/1 pt 3 99 0 Details Find the time required for an investment of 5000 dollars to grow to 7300 dollars at an interest rate of 7.5 percent per year, compounded quarterly. Your answer is t = years. Question Help: Video Submit QuestionQuestion 9 0/1 pt 0 3 99 0 Details A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit. Give answers accurate to at least 2 decimal places. (a) If the temperature of the turkey is 152 Fahrenheit after half an hour, what is its temperature after 45 minutes? Fahrenheit (b) When will the turkey cool to 100 Fahrenheit? hours. Question Help: Video Submit Question Question 10 0/1 pt 0 3 2 99 0 Details The 1906 San Francisco earthquake had a magnitude of 7.9 on the MMS scale. Around the same time there was an earthquake in South America with magnitude 4.3 that caused only minor damage. How many times more intense was the earth movement in San Francisco earthquake than the South American one? Question Help: Video Submit Question. Question 1 E [H1 pt '0' 3 3 '99 (3' Details You go to the doctor and he gives you 15 milligrams of radioactive dye. After 20 minutes, 8 milligrams of dye remain in your system. To leave the doctor's office, you must pass through a radiation detector without sounding the alarm. If the detector will sound the alarm if more than 2 milligrams of the dye are in your system, how long will your visit to the doctor take, assuming you were given the dye as soon as you arrived? Give your answer to the nearest minute. You will spend minutes at the doctor's office. Question Help: E 'v'ideo Submit Question . Question 2 E DH pt '0' 3 3 '99 G) Details The half-life of Radium-226 is 159G years. If a sample contains l} mg, how many mg will remain after 4WD years? _mg Give your answer accurate to at least 2 decimal places. Question Help: E 'v'ideo 1 E 'v'ideo 2 . Question 3 0/1 pt 0 3 99 0 Details The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced to a mass of 4 mg. What was the initial mass (in mg) of the sample? What is the mass 6 weeks after the start? Question Help: Video 1 Video 2 Submit Question Question 4 0/1 pt 0 3 99 0 Details A wooden artifact from an ancient tomb contains 60 percent of the carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is 5730 years.) years. Question Help: DVideo Submit QuestionQuestion 5 0/1 pt 0 3 99 0 Details A bacteria culture initially contains 2000 bacteria and doubles every 34 minutes. Find the size of the baterial population after 54 minutes. Find the size of the baterial population after 6 hours. Question Help: Video Submit Question Question 6 0 0/1 pt 0 3 99 0 Details The doubling period of a bacterial population is 20 minutes. At time t = 80 minutes, the bacterial population was 90000. What was the initial population at time t = 0? Find the size of the bacterial population after 3 hours. Question Help: @Video 1 Video 2 Submit