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How many 4 digit codes

A company employee generates a series of five-digit productcodes in accordance with the following rules: The codes use the
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2. asked by Carolyn
3. 1,627 views
Each Student at a certain university is given a 6-digit code (such as 123789 or 001122)(a) how many different codes are there?
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2. asked by Raff
3. 1,053 views
A robber has stolen a locked briefcase. The lock on the briefcase can be opened with a three-digit code, where each digit is one
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2. asked by tamar
3. 704 views
When three-digit area codes were introduced in 1947, the first digit had to be a number from 2 to 9 and the middle digit had to
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2. 102 views
security codes in fiji are made up of 4 digits. how many different 4 digit codes are possible . if the first digit should be
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2. asked by jona
3. 523 views
Security codes in Fiji are made up of 4 digits. How many different 4-digit codes are possiblei)If the first digit cannot be
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2. asked by FAKAAPO
3. 523 views
You are setting a system programing codes for a universal TV remote control. Each code will have five digits and cannot include
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2. asked by Celina
3. 757 views
You are setting up a system of programming codes for a universal TV remote. Each code will have five digits and cannot include a
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2. asked by Rose
3. 2,763 views
How many 4 digit codes (0-9) no repetition and 5 has to be the first digit.1 x 9 x 8 x7 first digit =5 one choice now 9 digits
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2. asked by John
3. 519 views
A three-digit code is made up of three different digits from the set (2,4,6,8). How many three-digit codes can be formed if no
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2. asked by belle
3. 653 views