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SOLUTION
Given the information as contained in the image;
[tex]\begin{gathered} Since\text{ repetition is allowed;} \\ The\text{ first character has 5 possible choices}\rightarrow5 \\ The\text{ second character has 26 possible choices}\rightarrow26 \\ The\text{ third character has 26 possibles choices}\rightarrow26 \\ The\text{ fourth character has 10 possible choices}\rightarrow10 \\ The\text{ fifth character has 10 posible choices}\rightarrow10 \end{gathered}[/tex]
To determine the number of possible license plates in the state;
[tex]5\times26\times26\times10\times10=338000[/tex]
The answer is 338000.