Answer:
B
Step-by-step explanation:
Since you are trying to find out half the number of students in a PE class, dividing would be most appropriate since you would be trying to find half.
Answer:
C.
Step-by-step explanation:
as 0.05 is 1/10 of a number, multiplying 0.05 by 10 will give you the number that when divided by 10 will give you 0.05. Hence just multiply 0.05 by 10 and you get 0.5.
Be careful you don't add unlike terms together (e.g. x^2 and x cannot be added or subtracted together).
<span>Be careful you don't mistake the 2 in x^2 as another number. Same for x^3, x^4. etc.</span>