Question

How many different decimal strings of length 2 (strings of length two where each element of...

How many different decimal strings of length 2 (strings of length two where each element of the string is one of the decimal digits 0-9) are there where no digit can be repeated? How many length 3 decimal strings are there like this. How many length 7 decimal strings are there like this? How many length 11 decimal strings are there like this? Give an example of one of the length 11 strings.

Math   Advanced-Math   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Discrete Math a.) How many bit strings are there of length five or less, not counting...
Discrete Math a.) How many bit strings are there of length five or less, not counting the empty string? b.) How many different three-letter initials with none of the letters repeated can people have? c.) How many different three-letter initials are there that begin with the letter B? d.) How many 5-element DNA sequences end with A? e.) How many bit strings of length nine both begin and end with 1?
Let A be the set of all strings of decimal digits of length five. For example...
Let A be the set of all strings of decimal digits of length five. For example 00312 and 19483 are strings in A. a. How many strings in A begin with 774? b. How many strings in A have exactly one 8? c. How many strings in A have exactly three 6’s? d. How many strings in A have the digits in a strictly increasing order? For example 02357 and 14567 are such strings, but 31482 and 12335 are not.
n digit string of length n over alphabet {0,1, . . . ,9} How many n...
n digit string of length n over alphabet {0,1, . . . ,9} How many n digit strings are there with at least one 1? How many n digit are there with EXACTLY one 1?
n digit string of length n over alphabet {0,1, . . . ,9} a. How many...
n digit string of length n over alphabet {0,1, . . . ,9} a. How many n digit strings are there with at least one 1? b. many n digit are there with EXACTLY one 1? PLEASE ANSWER BOTH AND INCLUDE THE FACT THAT THE STRING IS OVER ALPHABET {0,1,2,3,4....9}
How many bit strings with length 8 does not contain two consecutives 1’s, i.e., does not...
How many bit strings with length 8 does not contain two consecutives 1’s, i.e., does not contain the sub string 11.
Do each of the following. a) How many ternary strings of length 20 contain at least...
Do each of the following. a) How many ternary strings of length 20 contain at least four 1s? (Hint: A ternary string consists of 0s, 1s, and 2s.) b) How many ternary strings of length 20 contain exactly four 1s?
A keypad code consists of a string of symbols of length 6 from set {1, 2,...
A keypad code consists of a string of symbols of length 6 from set {1, 2, 3, 4, 5, 6, 7, 8, 9}. Note that the digit 0 is not allowed. A) how many keypad codes of length 6 have at least one repeated symbol? B) how many such keypad codes use the symbol 6 at least once and use the symbol 7 at least once?
1.How many possible orderings of letters ABCDEFG are there? 2.How many strings of length 4 can...
1.How many possible orderings of letters ABCDEFG are there? 2.How many strings of length 4 can be made using the letters ABCDEFG? 3.How many subsets of size 4 are there of the letters ABCDEFG. 4.How many possible strings are there of the letters "MATTER"? 5.Consider four books: an engineering book (E), a physics book (P), a history book (H), and an Art book (A). Consider the following problem: Suppose that the library has at least six copies of each of...
How many different license plate numbers can be made using 2 uppercase letters from A-Z and...
How many different license plate numbers can be made using 2 uppercase letters from A-Z and 4 digits from 0-9 if letters and digits may be repeated? (This means that BC4244 is a valid license plate).
How many ways are there to select 6 different letters out of 26 letters of the...
How many ways are there to select 6 different letters out of 26 letters of the alphabet? 2. How many strings of 6 letters are there – if the letters cannot be repeated? 3. How many strings of 6 letters are there – if the letters can be repeated?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT