when n is divided by 5 the remainder is 3 . what is the remainder when n ^ 2 is divided by 5 ?
n = 5 x + 3 , for some integer x n ^ 2 = ( 5 x + 3 ) ^ 2 = 5 y + 9 , for some integer y when we divide this by 5 , the remainder is 4 . the answer is e .
reminder(power(add(5, 3), 2), 5)