Evaluating and Solving Expressions
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Write 54 as a product of prime factors.
Evaluate the six expressions below. Write each response as an integer or as a fraction.
(-8)^2
(-2)^4
(1/5)^3
4^2/5
(-1/2)^2
-6^2
Evaluate.
Evaluate the expression
when and .
Evaluate the expression
when .
Use the Distributive Property to remove the parentheses from the following expression:
Simplify the following expression:
Simplify the following expression:
The surface area of a right prism is given by
,
where is the area of the base, is the perimeter of the base, and is the height of the prism.
Solve for .
What number is equal to
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Write as a product of prime factors.
Solution.
Evaluate the six expressions below. Write each response as an integer or as a fraction. ...
Education
- BSc , Wuhan Univ. China
- MA, Shandong Univ.
Recent Feedback
- "Your solution, looks excellent. I recognize things from previous chapters. I have seen the standard deviation formula you used to get 5.154. I do understand the Central Limit Theorem needs the sample size (n) to be greater than 30, we have 100. I do understand the sample mean(s) of the population will follow a normal distribution, and that CLT states the sample mean of population is the population (mean), we have 143.74. But when and WHY do we use the standard deviation formula where you got 5.154. WHEN & Why use standard deviation of the sample mean. I don't understand, why don't we simply use the "100" I understand that standard deviation is the square root of variance. I do understand that the variance is the square of the differences of each sample data value minus the mean. But somehow, why not use 100, why use standard deviation of sample mean? Please help explain."
- "excellent work"
- "Thank you so much for all of your help!!! I will be posting another assignment. Please let me know (once posted), if the credits I'm offering is enough or you ! Thanks again!"
- "Thank you"
- "Thank you very much for your valuable time and assistance!"
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