Just plug in 500 for p, 0.2 for r (because 20% is equivalent to 0.20), and 2 for t:

So, if you start with $500 and charge an interest rate of 20% for 2 years, you will gain $200 to get $700 in total.
Answer:
Can't be determined
Step-by-step explanation:
You just don't have enough info!
Answer:
A
Step-by-step explanation:
the base is the the big number, the exponent the small one