4. The number of four digit numbers, all digits
occurring once is
(a) 10P,
(c) 9x 'P;
(b) 10P
(d) 1°C
Answers
Answered by
0
Answer:
c
Step-by-step explanation:
because they are four variables
Answered by
0
Step-by-step explanation:
Pls give the questions clearly
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