Answer:
The actual answer is 7/2
Step-by-step explanation:
Answer:
Step-by-step explanation:
For this case, we must find an expression equivalent to:

By definition of power properties we have:

Rewriting the previous expression we have:
The "-" are canceled and we take into account that:

So:

According to one of the properties of powers of the same base, we must put the same base and add the exponents:

Answer:

Option B
as the following pic you can see the answer.
#diameter is 8 so radius is 4