Answer is in the file below
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It would be 13 because you are adding 5 and 8
Answer:
190
Step-by-step explanation:
Data provided in the question:
Confidence level = 99%
Therefore,
α = 1% = 0.01
[ from standard normal table ]
z-value for = 2.58
Margin of error, E = $0.06
Standard deviation, σ = $0.32
Now,
n =
Here,
n is the sample size (or the minimum number of gas stations )
on substituting the respective values, we get
=
=
= 13.76²
= 189.3376 ≈ 190
Hence,
minimum number of gas stations that she should include in her sample is 190
Answer:
x⁵ +2x³ -3x², degree 5, 3 terms
Step-by-step explanation:
We assume you intend your expression to be ...
2x³ -3x² +x⁵
The superscript numbers are exponents. Each indicates the degree of the term. In standard form, terms are listed in decreasing order by degree:
x⁵ +2x³ -3x² . . . . standard form
The degree of the polynomial is the degree of the highest-degree term: 5.
The number of terms is the number of products in the sum: 3.
4,8,11,7 are the coefficients in this expression