Answer:
≈ 3.8928
Step-by-step explanation:
log base 3 of 72 is approximately 3.8928
you would need to plug this into a calculator to solve
<h2>
Answer:</h2><h2>The theoretical probability of four students from your school being selected as contestants out of 8 possible contestants spots =

</h2>
Step-by-step explanation:
The number of students participated = 30
Total audience = 150
By probability , to find the solution =
where n(E) is the number of favorable outcomes,
n(S) is the number of total outcomes.
n(S) is the number of ways any 8 students can by picked from the audience= 
n(E) is the probability of picking four students from our school and five students from another school.
n(E) =
= 
=
= 
Answer:
360
Step-by-step explanation:
800 + 60 + 3 + 0.1 + 0.04 + 0.002