Provide the solutions to the $3$ questions below and submit your single pdf to the folder link above. Show all work using equations for full marks.

If the hydrogen ion concentration is a measure of the strength of an acid, how much stronger is an acid like lemon juice with a pH of $2$ than an acid like urine which has a $pH$ of $5\mathrm{.}5?$

A $2012$ Ford Escape depreciates by $17\%$ on average each year. The car originally sold for $$26995$ in $2012,$ how much would the car be worth in $2023?$

The newest gossip spreads through Megan's high school like wildfire. The number of students who have heard the news triples every two minutes, thanks mostly to texting. If the gossip started with just one person, how long would it take before the entire school of $4000$ students hears the news?