What are the prime factors of 14

The prime factors of 14 are 2 and 7.

Which statement is true?

3^-15/3^7<(3^-8)•(3^-9)
3^-15/3^7>(3^-8)•(3^-9)
3^-15/3^7=(3^-8)•(3^-9)

The first statement is true: 3^-15/3^7 < (3^-8) • (3^-9).