This is from mathstudent55 but btw when you put an answer they go here xd
51/3 = 17: not prime; 55/5 = 11: not prime; 57/3 = 19: not prime. 53 is divisible by only 1 and 53. 53 is a prime number.
1st is
2nd is
3rd is not
4th is
Answer: the exponent is 2
Step-by-step explanation: this is equal to (1/7)^2
