Choose "Area of a hexagon" or "compound interest." Follow the instructions the project gives you from there. If you choose to calculate compound interest, just take a picture of the final answer and round to the nearest hundredth. This project may get updates in the future.
This was a fun assignment. The user @NoUsername-King showed sample code which helped me make the exponential function. It was on this discussion post: https://scratch.mit.edu/discuss/topic/811106/