We multiply 38 by 45 to get 1710. This is already in simplest form, although we can convert it to scientific notation as 1.71*10^3 if you wish.
I keep the door i chose because he could be trying to trick me and he didn’t say that before but then i overthink and think maybe he wants me to think he’s tricking me so i keep the door but then maybe he want me to think that i think he’s trying to get me to think he’s tricking me so I just go with my first option