# 12th grade Data

posted by .

In this sequence, tk is a factorial number, often written k!. Show that tk=k!=k(k-1)(k-2)...(3)(2)(1)

• 12th grade Data -

I don't get it
k!=k(k-1)(k-2)...(3)(2)(1) by definition,
what's to "show" ?

• 12th grade Data -

what did they speak
language

## Similar Questions

1. ### factorial help!!!

i just need help with factorials I assume you know what a factorial is: 1! = 1 2! = 1x2 = 2 3! = 1x2x3 = 6 N! = 1x2x3x...x(N-1)xN They occur often in probability theory. Please ask a more specific question about factorials. I have …
2. ### Math

What are irrational, rational, and natural numbers?
3. ### 12th grade

There are 300 students in 12th grade. What is the total population of the school?
4. ### Statistics

2. You are given the following data. Number of Absences Final Grade 0 93 1 90 2 79 3 66 4 60 5 56 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade …
5. ### Math

Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the …
6. ### Algebra (factorial)

Evaluate gcd(19!+19,20!+19). Details and assumptions The number n!, read as n factorial, is equal to the product of all positive integers less than or equal to n. For example, 7!=7×6×5×4×3×2×1.
7. ### Statistics

The accompanying data show the number of hours, x, studied for an exam and the grade received, y (y is measured in tens; that is, y = 8 means that the grade, rounded to the nearest 10 points, is 80). x 2 3 3 4 5 5 5 6 6 6 7 7 7 7 8 …
8. ### Math

1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?
9. ### Math

-5,-3,-1,1,3,5 If a and b are different integers chosen from the list above, how many possible values are there of the product ab?
10. ### Math

Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eigth graders?

More Similar Questions