3 kg because one year is approximately 3 half-lives of W-181. The amount remaining would be 1/23<span> or 1/8. That is 3 kg of W-181.</span>
<span> 3h2 • (h + 7) • (h + 1) is the simplified version.</span>
Answer:
using cos=adjacent/hypotenuse
Step-by-step explanation:
in this case cos(60)=x/4√3
x=cos(60)*4√3
x=3.46
Cut the 4 corners off and you will have an 8-sided octagon