Answer:

Step-by-step explanation:
We need to find the value of 
Solving:
We know, 


a^0 = 1
so,

So, the value of 
Answer:
i think its 5 maybe not for sure but im feeling kinda stong about
Step-by-step explanation:
Answer:
The answer is -13.
Step-by-step explanation:
=4×(-2)-5
=-8-5
=-13
The value of (-2) is -13.
Answer:
95% Confidence interval: (96.06,103.94)
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 85
Sample mean,
= 100
Sample size, n = 30
Alpha, α = 0.05
Population standard deviation, σ = 11
95% Confidence interval:
Putting the values, we get,
(96.06,103.94) is the 95% confidence interval for the population mean test score.