ANSWER
There is
![3.219* {10}^(5)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/gm05o048n0v9w6gxwg4qa8fu3qw78x3h14.png)
more money in the vault in the evening than in the morning.
Step-by-step explanation
The amount of money in the vault in the morning is
![2.81 * {10}^(4)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/lvh7hhohluibq4skgn5mqbb0e98xokxk4s.png)
The amount of money in the vault at the end of the day is:
![3.5 * {10}^(5)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/dwix5dj25t3w40lw37cuqkm3sewqz0dupj.png)
To find how much more money is in the vault at the end of the day than there was in the morning, we subtract to get:
![3.5 * {10}^(5) - 2.81 * {10}^(4)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/yvh4eqkbiqlloetstnkgggvhb2dlij2dr2.png)
![= 3.5 * 100000 - 2.81 * 10000](https://img.qammunity.org/2020/formulas/mathematics/middle-school/aks4exltgw6tceth5ime6u1hr0v17jsj1j.png)
![350000 - 28100= 321900](https://img.qammunity.org/2020/formulas/mathematics/middle-school/1fucgbbpqepz3cj2nzymoua9562c5x3fc4.png)
Therefore, there is
![3.219* {10}^(5)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/gm05o048n0v9w6gxwg4qa8fu3qw78x3h14.png)
more money in the vault.