Answer:
the average annual economic growth rate in Taiwan from 1961 to 1981 was 41.42%
Step-by-step explanation:
Hi, we need to use the following formula.

Where:
FV = GDP in 1981 ($1,000)
PV = GDP in 1961 ($500)
r = growth rate
t = years from 1981 to 1961 (20 years)
So, it should look like this:

Now, we solve for "r"


![\sqrt[20]{2} -1=r](https://img.qammunity.org/2020/formulas/business/high-school/g94bzmf3tr4ohdec6mwlfglq12sni8tm2e.png)

So, the growth rate of Taiwan´s GDP is 41.42%
Best of luck.