Concept explainers
To find: How many different license plate numbers can be made using 2 letters followed by 4 digits selected from the digits 0 through 9, if:
a. Letters and digits may be repeated?
To find: How many different license plate numbers can be made using 2 letters followed by 4 digits selected from the digits 0 through 9, if:
b. Letters may be repeated, but digits may not be repeated?
To find: How many different license plate numbers can be made using 2 letters followed by 4 digits selected from the digits 0 through 9, if:
c. Neither letters nor digits may be repeated?

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Chapter 12 Solutions
Mylab Math With Pearson Etext -- 24-month Standalone Access Card -- For Precalculus: Concepts Through Functions, A Unit Circle Approach To Trigonometry, A Corequisite Solution (4th Edition)
- Explain the key points and reasons for the establishment of 12.3.2(integral Test)arrow_forwardUse 12.4.2 to determine whether the infinite series on the right side of equation 12.6.5, 12.6.6 and 12.6.7 converges for every real number x.arrow_forwarduse Cauchy Mean-Value Theorem to derive Corollary 12.6.2, and then derive 12.6.3arrow_forward
- Explain the focus and reasons for establishment of 12.5.1(lim(n->infinite) and sigma of k=0 to n)arrow_forwardExplain the focus and reasons for establishment of 12.5.3 about alternating series. and explain the reason why (sigma k=1 to infinite)(-1)k+1/k = 1/1 - 1/2 + 1/3 - 1/4 + .... converges.arrow_forwardExplain the key points and reasons for the establishment of 12.3.2(integral Test)arrow_forward
- Use identity (1+x+x2+...+xn)*(1-x)=1-xn+1 to derive the result of 12.2.2. Please notice that identity doesn't work when x=1.arrow_forwardExplain the key points and reasons for the establishment of 11.3.2(integral Test)arrow_forwardTo explain how to view "Infinite Series" from "Infinite Sequence"’s perspective, refer to 12.2.1arrow_forward
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