A colony of bacteria has a doubling time of 5.23 hours.

- If there are 7830 bacteria in the colony at 9:00 am, how many are there at noon the next day? Enter only the number, rounded to the nearest bacteria.

- Find the hourly growth rate of the colony. Just enter the number, as a percentage, rounded to two decimal places.

Use this information to answer questions 9 and 10 below. A savings account balance was $1,096.45 on January 1, 2015 and $1,101.51 on July 1, 2015.

- What is the annual growth rate of the account? Enter only the number, as a percentage, rounded to three decimal places.

- If no withdrawals are made, what will be the balance on July 1, 2020? Just enter the number, in dollars, rounded to two decimal places.