Answer:
942.48
Step-by-step explanation:
hope this helps
Answer:
5,470 mg
Step-by-step explanation:
108 minutes is 4 half-lives:
<u> Time</u> <u> Lead</u>
<u> Min.</u> <u>mg Pb</u>
0 87520
27 43760
54 21880
81 10940
108 5470
We need to use Law of sine.
sin A/a = sin C/c
sin A/|CB| = sin C/|AB|
sin A/14 = sin(118⁰)/ 20
sin A = (14*sin(118⁰))/ 20
A=arcsin((14*sin(118⁰))/ 20) ≈ 38⁰
Step-by-step explanation:
I hope I wrote the question rightly
