Chapter 13, Problem 15PT

To determine

Calculate number of possible ways to arrange 6 notebooks on a shelf.

Answer to Problem 15PT

There are 720 possible ways to arrange 6 notebooks on a shelf.

Explanation of Solution

Given:

Number of notebooks, n = 6

Calculations:

Here, we have to calculate number of possible ways to arrange 6 notebooks in a shelf.

We have to use permutations to find possible ways of arrangement.

  $n=P_6=6!$

Now to find 6!, we have to multiply all natural number till 6. Thus,

  $6!=1\times 2\times 3\times 4\times 5\times 6=720$

Hence, we can say that there are 720possible ways to arrange 6 notebooks on the shelf.

Conclusion:

Therefore, we are able to calculate possible methods to arrange notebooks using permutations.