Answer the following $($you can leave your answer in the form of an equation$)$:

What is the largest integer you can represent with $10$ HEX digits?

What is the largest integer you can represent with $22$ bits?

How many bits do you need to represent non$-$negative integers up to $10,000,000?$

How many HEX characters do you need to represent non$-$negative integers up to

$100,000,000?$