Find the prime factorization of each number. use exponents where appropriate
number are 14 15 20 25 28 32

if you mean

then it's c. 8, -7/3

but if you mean

then it is

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents