
Understanding 9-bit Strings and Combinatorics

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned

Olivia Brooks
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the weight of a bit string represent?
The number of alternating bits in the string
The total length of the string
The number of ones in the string
The number of zeros in the string
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the number of n-bit strings with a specific weight k?
By multiplying n by k
By using the formula n choose k
By adding n and k
By subtracting k from n
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of 9 choose 5?
9
36
126
84
Tags
CCSS.HSA.APR.C.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many 9-bit strings contain five or more ones?
126
84
256
502
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of 9-bit strings?
256
512
1024
128
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the number of 9-bit strings with two or more ones?
By adding the number of strings with zero and one ones
By multiplying the number of strings with zero and one ones
By subtracting the number of strings with zero and one ones from the total
By dividing the number of strings with zero and one ones
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of 9 choose 0?
1
9
0
512
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