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OpenStudy (anonymous):
How many three-letter codes can be formed using the letters A, B, C, and D? Repeated letters are allowed.
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OpenStudy (anonymous):
4p3
OpenStudy (anonymous):
sorry 3^4 is ans
OpenStudy (anonymous):
u thr casmac!!!!!!!!
OpenStudy (anonymous):
yes i am!!!!!!
OpenStudy (anonymous):
but thats not the correct answer!!!!!!
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jimthompson5910 (jim_thompson5910):
\[3^4=81\] different codes
OpenStudy (anonymous):
i put that as the answer and it told me i was wrong!!!!
OpenStudy (anonymous):
ho ans 4^3=64
jimthompson5910 (jim_thompson5910):
oops my bad, answer is \[4^3=64\], mixed up terms
jimthompson5910 (jim_thompson5910):
ie 4*4*4 = 64
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OpenStudy (anonymous):
@casec jst check tis one !
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