## Question 1
What does the following arithmetic expression evaluate to?

tokens = [ "$3$", "$2$",  "$*$", "$11$", "$-$" ]

### Options

1. 5
Incorrect

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2. -5
Correct
First, $3$ is multiplied by $2$, resulting in $6$. Then, $11$ is subtracted from $6$, giving the final answer of $-5$.
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3. 19
Incorrect

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4. -19
Incorrect

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## Question 2
What does the following arithmetic expression evaluate to?

tokens = [ "$2$", "$5$", "$*$", "$4$", "$+$", "$3$", "$2$", "$*$", "$1$", "$+$", "$/$" ]
### Options

1. 70
Incorrect

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2. 2
Correct
First, $2$ is multiplied by $5$, resulting in $10$. Then, $4$ is added to $10$, giving $14$. Next, $3$ is multiplied by $2$, resulting in $6$. Afterward, $1$ is added to $6$, yielding $7$. Finally, $14$ is divided by $7$, resulting in the final answer of $2$.
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3. 0
Incorrect

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4. -2
Incorrect

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## Question 3
What does the following arithmetic expression evaluate to?

tokens = [ "$-3$", "$7$", "$3$", "$*$", "$+$"]
### Options

1. 18
Correct
First, $7$ is multiplied by $3$, resulting in $21$. Then, adding $-3$ to $21$ gives the final answer of $18$.
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2. -18
Incorrect

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3. -3
Incorrect

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4. 3
Incorrect

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