Answer:
2022 students
Step-by-step explanation:
Since 18 out of 270 students speak three or more languages, a prediction would be 30,330 x 18/270 = 2,022 students
Answer:
4th option
Step-by-step explanation:
open circle means more than or less than
n is more than -3 but less than 1
(-4)^-3 =
-4^-3 = 
Basically in this situation there is no difference whether parenthesis are used or not.
Anything in the negatives like -2*2=-4-1 = -5
Or positive values up to 5
2*5=10-1=9