Tens refers to the unit 10,
This means that 45 10s is equal to:
45*10 = 450
Hope this helps! :)
A because we all know the intersection of sin is always in (0,0) but in this case it is different
14 because you started with 2 and you have 7 weeks in a month. So 2*7=14
You used Order of Operations. I hope this helped ^^
