9. 252 can be expressed as a product of primes as:
A. 3 x 3 x 3 x 3 x 7
B. 2 x 2 x 3 x 3 x 7
C. 2 x 2 x 2 x 3 x 7
D. 2 x 3 x 3 x 3 x 7
9. 252 can be expressed as a product of primes as:
A. 3 x 3 x 3 x 3 x 7
B. 2 x 2 x 3 x 3 x 7
C. 2 x 2 x 2 x 3 x 7
D. 2 x 3 x 3 x 3 x 7