Concept explainers
Evaluate the following if
(a)
(b)
Want to see the full answer?
Check out a sample textbook solutionChapter 1 Solutions
Finite Mathematics with Applications In the Management, Natural, and Social Sciences (12th Edition)
- The number of ways of choosing r objects from n objects is called the number of ___________ of n objects taken r at a time and is given by the formula C(n, r) = ___________.arrow_forwardFor the following exercises, compute the value of the expression. 22. C(26,3)arrow_forwardFor the following exercises, determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations. 13. How many ways are there to construct a string of 3 digits if numbers can be repeated?arrow_forward
- The sum of terms 50k2 from k=x through 7 is 115. What is x?arrow_forwardFor the following exercises, simplify the given expression. 21.(n2)(n24n+4)arrow_forwardIn each of the following exercises, the value on the left must be multiplied by one of the following numbers: 0.0001; 0.001; 0.01; 0.1; 10; 100; 1000; or 10,000 in order to obtain the value on the right of the equal sign. Determine the proper number. 18. 0.00643_=64.3arrow_forward
- For the following exercises, use this scenario: A biologist recorded a count of 360 bacteria present in a culture after 5 minutes and 1,000 bacteria present after 20 minutes. To the nearest whole number, what was the initial population in the culture?arrow_forwardFor the following exercises, determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations. 12. How many two-letter strings—the first letter from A and the second letter from B—can he formed from the sets A=b,cdandB=a,e,i,o,u?arrow_forwardFor the following exercises, evaluate the factorial. 39. 6!arrow_forward
- Roxie thinks n0simplifies to 0. What would you say to convince Roxie she is wrong?arrow_forwardFor the following exercises, determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations. 14. How many ways are there to construct a string of 3 digits if numbers cannot be repeated?arrow_forward
- Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellMathematics For Machine TechnologyAdvanced MathISBN:9781337798310Author:Peterson, John.Publisher:Cengage Learning,College AlgebraAlgebraISBN:9781305115545Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage Learning