A password consists of three letters of the alphabet followed by four digits chosen from o to 9. Repeats are not allowed. How many possible different passwords are three? O A. 260 B. 175 600 000- O C. 78 624 000- D. 4 714 400- O E. 11 232 000

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A password consists of three letters of the
alphabet followed by four digits chosen
from o to 9. Repeats are not allowed. How
many possible different passwords are
three?
O A.
260
O B. 175 600 000
C.
78 624 000
O D. 4 714 400-
O E.
11 232 000
Transcribed Image Text:A password consists of three letters of the alphabet followed by four digits chosen from o to 9. Repeats are not allowed. How many possible different passwords are three? O A. 260 O B. 175 600 000 C. 78 624 000 O D. 4 714 400- O E. 11 232 000
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