How many permutations are there in the letters beat?

Answer 1

There are #24# permutations. See explanation for details.

There are #4# letters. The number of permutations can be calculated in #2# ways:
The number of permutations with #n# elements is #P_n=n!#. Here it is #P_4=4! =1*2*3*4=24#

The number of possible words can also be calculated this way:

First letter can be chosen in #4# ways,
Second letter can only be chosen from #3#, because one has already been used,
The third letter can be chosen from #2#,

The last letter is picked without any choice; there is only one letter left.

The total number of possibilities can be calculated as the product of all numbers mentioned above:

#P_4=4*3*2*1=24#
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Answer 2

There are 24 permutations of the letters in "beat".

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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