Option as is correct hope this helped have a nice day
Answer:

Step-by-step explanation:
The applicable rules of exponents are ...

Your ratio simplifies to ...

_____
Please note that simplifying the constants, -8/10 to -4/5, eliminates half the answer choices. Since exponents are only multiplied when a power is raised to a power, you can pretty much eliminate the second choice as being unreasonable. ((a^b)^c = a^(bc))
Answer:
21
Step-by-step explanation:
if v=2
then uw=21
because 6/2=3, and
14/2=7
3x7=21
Answer:
5
Step-by-step explanation: