If you get a penny a day from your uncle and each day he doubles the amount he gave you on the previous day how much would he give you on the twentieth day

On the 20th day, he will give $5242.88

Step-by-step explanation: This is a geometric series with elements:

initial value () = 0.01

ratio = 2

At the twentieth day means the 20th term, i.e. n = 20.

To determine that term, use the formula:

Substituing terms:

Then, on the 20th day, your uncle gave to you $5242.88