# How many number combinations are there?

**How many number combinations are there?**In

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Answer: **There** are 9,999 different **combinations** in a 4-digit lock. And now we have 1,000+9,000=10,000 **combinations** total.

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Simply so, how do you find the number of possible combinations?

**Combinations** are a way to **calculate** the total outcomes of an event where order of the outcomes does not matter. To **calculate combinations**, we will use the **formula** nCr = n! / r! * (n – r)!, where n represents the total **number** of items, and r represents the **number** of items being chosen at a time.

Subsequently, question is, what are all the possible combinations of 1234? If you wager on **1234** boxed, you would win if any of the following **combinations** were drawn: **1234**, 1243, 1324, 1342, 1423, 1432, 2134, 2143, 2314, 2341, 2413, 2431, 3124, 3142, 3214, 3241, 3412, 3421, 4123, 4132, 4213, 4231, 4312, or 4321.

Besides, how many combinations of 10 numbers are there?

The number of **combinations** that are **possible** with **10 numbers** is 1,023.

How many combinations can 4 numbers make?

For each choice of the first two digits you have 10 choices for the third digit. Thus you have 10x10x10 = 1000 choices for the first three digits. Finally you have 10 choices for the fourth digit and thus there are 10x10x10x10 = 10 000 possible **4** digit **combinations** from 0-9.

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