How many different combinations are there for a 3-digit lock?

Answer The possible combinations for a three-digit lock depend on the allowable digits. Richard R. Rupnik, an internal auditor for Lucent Technologies, explains that the calculation is 10 raised to the th... Read More »

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How many combinations are there in a 3 number lock?

Assuming the numbers zero to nine in each digit position, Richard Rupnik, internal quality auditor for Lucent Technologies, reveals a formula of 10 raised to the third power to calculate the number... Read More »

How many different iPod touch password combinations are there?

How many different seven-digit phone numbers are possible if the first digit cannot be 0 or 1?

The easiest way to solve this problem is to look at how many choices there are for each number. The first number has eight choices (all 10 digits except 1 or 2) and the other six have 10. So, the n... Read More »

How many possible combinations are in a three-number lock?

There are 1,000 possible combinations in a three-digit lock. Each digit can be one of 10 numbers, so to find the total number of possibilities, you must multiply 10 times 10 times 10 to get 1,000.S... Read More »