8.what is the prime factorization of 110
a.2×3×5×5
b.2×3×5×11
c.2×5×11
d.2×5×5
9.what are 72 expressed as a product of prime factors
A.2×2×2×2×3×3
b.2×2×2×3×3
c.2×2×2×3×3×3
d.2×2×3×3×3×3
​