Answer:
A.
Step-by-step explanation:
x^0=1 so you can cancel it out. when a number has a negavite exponent, you have to invert it. That means y^-6 goes at the denominator and becomes y^6 and z^-6 goes up to the numerator and becomes z^6.
50
Answer: I believe the Awnser is 18.75
Step-by-step explanation:all you have to do is divide 78 and 1/4
