I NEED THIS ASAP PLEASE!

Question

In 1790, Ben Franklin left $4000 with instructions that it go to the city of Philadelphia in 200 years. It was worth about 2 million at that time. Approximate the annual interest rate for the growth.

Answer 1

In 1790, Ben Franklin left $4000 with instructions that it go to the city of Philadelphia in 200 years. It was worth about 2 million at that time. Approximate the annual interest rate for the growth

isn't it

2*10⁶=4*10³r²⁰⁰,,,,r=rate >1

r=500^(1/200)=1.031561