40:2225
56:222 7
the greatest common factor is 2x2x2=8
the answer is 8
Answer:
B
Step-by-step explanation:
4^-2=1/16
When we are multiplying exponents and the bases are the same, we add the exponents
4^6 * 4^-8
4^(6+-8)
4^-2
1/16