Answer:
z^5
Step-by-step explanation:
z^8 * z^-3
Since we are multiplying exponents and the bases are the same, we can add the exponents
z^(8-3)
z^5
Answer:
9.5 minute
Step-by-step explanation:
500 - 25 = 50x
x = 
x = 9.5 minute
Answer:
A=13825
Step-by-step explanation: