Charlie does the following problem: 3 3 • 3 2 = 3 6 = 3 • 3 • 3 • 3 • 3 • 3 = 729. which of the following is a true statement? he is incorrect because he should have 6 factors of 9. he is incorrect because he should have only 5 factors of 3. he is incorrect because he should have 3 factors of 6. he is correct.