Respuesta :
multiply everything together
there are 26 letters and 10 digits
so 26 x 26 x 10 x 10 x 10 = 676,000 combinations
For a code with 2 letters and 3 single-digits, 676,000 different combinations can be made.
How many different entry codes can you create?
We need to count the number of options that we have for each selection.
- First digit: a letter, we have 26 options.
- Second digit: a letter, we have 26 options.
- Third digit: a number, 10 options.
- Fourth digit: a number, 10 options.
- Fifth digit: a number, 10 options.
The total number of combinations is given by the product between these numbers of options, it is:
C = 26*26*10*10*10 = 676,000
If you want to learn more about combinations:
https://brainly.com/question/11732255
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