Answer:
8
Step-by-step explanation:
Answer: 10
Step-by-step explanation: 20-10=10, 30-20=10, 40-30=10.
Actually none of them are the prime factors of 54.
A. indeed are factors, but neither of them are prime.
But you can break down A. into prime factors, 9 = 3*3, 6 = 3*2.
So now you have 3*3 * 3*2, which are all prime.
So the prime factorization of 54 is 3*3*3*2
1/5 is the simplest form of the fraction