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)
Answer:6
3 peers
20
1/2(a+b)=180
1/2(6+12)=18
1/2(18)=180
9/9=180/9
=20
<em>14.0909090909</em>
