Answer:

Step-by-step explanation:
Here is a problem with the concept of properties of the exponent.
We are given
and we have to find the value of 5x.
Now,
{Since we are given that
}
⇒
{Since we can write
}
⇒
{Since we know the formula of exponent as
}
(Answer)
16/20 is the correct answer
I belive this is hard for a 5th grader but my answer is c)2
Answer:
answer a because -15/8 is -1.875
-7 * 12 = -84
but
-7 + 12 = 5