C would be the answer as

is the same thing as x * x * x * x.
Given:
Principal = 200
interest rate = 4% per annum
term = 1 year
Simple Interest = Principal * interest rate * term
S.I. = 200 * 4% * 1
S.I = 8
Simple interest earned is $8.
Answer:your welcome
Step-by-step explanation: