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Mathematics, 22.04.2021 20:10 Suphat
6. A security code used to consist of two
even digits, followed by four odd digits. To
allow more codes to be generated, a new
system uses two even digits, followed by any
three digits. If repeated digits are allowed,
the increase in the number of possible codes
is ? Note: zero is considered an even
number.
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Answers: 3
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6. A security code used to consist of two
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