False ..................................
Answer:3 choice
Step-by-step explanation:
When you have this || you put the opposite mark
Answer:
3520
Step-by-step explanation:
33-11=22
40 times 22=880
880 times 4=3520

check your calculator for the [!] factorial button.
also bear in mind that most calculators also have an [ₙPᵣ] button, to get Permuations, and you can just use that.