Permutations with Indistinguishable Items
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
+9
Standards-aligned
Liam Anderson
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason for having fewer permutations when some letters are repeated?
The number of letters is too small.
Repeated letters are indistinguishable.
Repeated letters are distinguishable.
All letters are unique.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate permutations of objects with indistinguishable items?
n factorial minus the number of repeated items
n factorial plus the number of repeated items
n factorial multiplied by the number of repeated items
n factorial divided by the product of factorials of repeated items
Tags
CCSS.7.EE.A.2
CCSS.HSA.SSE.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example, how many letters are there in total?
Ten
Seven
Eight
Nine
Tags
CCSS.L.1.2D
CCSS.L.K.2C
CCSS.RF.2.3E
CCSS.RF.4.3A
CCSS.RF.5.3A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many A's are there in the example?
One
Two
Four
Three
Tags
CCSS.L.1.2D
CCSS.L.K.2C
CCSS.RF.2.3E
CCSS.RF.4.3A
CCSS.RF.5.3A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many B's are there in the example?
Three
One
Four
Two
Tags
CCSS.7.EE.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many D's are there in the example?
Two
Four
Three
One
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in simplifying the permutation calculation?
Multiply all numbers
Add all numbers
Subtract all numbers
Expand nine factorial
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