A quantity with an initial value of 1700 grows exponentially at a rate such that the quantity doubles every five years. what is the value of the quantity after 81 months to the nearest hundredth

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

How many days was the temperature above 90 degrees?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is