1. Connor invested $63 500 in 2017. When the investment ended in 2023, he had $71 231. What annual interest rate, compounded semi-annually, did he invest his money at?.

2. Companies are helping with the pandemic by producing face masks. On day 3, there were 1107 masks available in Canada and on day 7 there were 89 667 masks available. If the daily production of masks follows a geometric pattern, how many face masks in total will Canada have in 2 weeks?

3. Determine the number of terms of the geometric sequence:

-14, 28, -56, ..., -229 376

n = ____

4. Find ^t 10.

6, -42, 294, -2058, ...

5. Find .

^s10 -8 + 10 + 28 + ...

6. Josh borrowed some money from his parents to buy a used car. They charged him 1.5% compounded monthly. Three years later, Josh gave his parents $5368.82. How much did he borrow?

7. A principal of $350 was invested at a rate of 7.2% simple interest for 14 months. Calculate the interest earned and the amount in the investment after 14 months.

8. Find ^t10.

11, -4, -19, -34, ...

9. State the general term for the following sequence:

-4/5, 4/15, -4/45, 4/135, .......

10. Angela would like to buy the new iPhone XYZ when it is released in 2 years. She makes daily deposits into an account that guarantees 8.5% compounded daily. If the iPhone will be priced at $900, how much should Angela deposit each day?

11. State the general term for the following sequence:

-38.25,-37.5,-36.75,-36,...

12. Regular payments of $1750 every 3 months are made at 3.6% compounded quarterly for 3 years. Calculate the future value of the annuity an the interest earned.

13. Find ^S10.

-262144 - 65536 - 16384 - ...

14. Question 14 options:

Determine the number of terms of the arithmetic sequence:

322, 307, 292, ..., -8

n = ____

15.