anonymous
  • anonymous
How many 3-digit numerical passwords are there if a digit cannot be repeated
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Hey dude
anonymous
  • anonymous
This is a typical permutation problem
anonymous
  • anonymous
lol im not that smart what that mean ??

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anonymous
  • anonymous
no worries homie I am here to help you
anonymous
  • anonymous
lol ok
anonymous
  • anonymous
It's a numerical combination right
anonymous
  • anonymous
ig
anonymous
  • anonymous
and there are 10 choices at first. 9 choices after, and 8 choices after
anonymous
  • anonymous
This means you can pick a digit out of 10, and for the second number out of 9, and for third number out of 8. know what I mean?
anonymous
  • anonymous
Dude im sooooooooooo LOST !!
anonymous
  • anonymous
alright dude no problem I'll walk you through
anonymous
  • anonymous
ok
anonymous
  • anonymous
|dw:1439852027209:dw|
anonymous
  • anonymous
Can you see the entire thing
anonymous
  • anonymous
bro you see all that?
anonymous
  • anonymous
yah
anonymous
  • anonymous
So you understand?
anonymous
  • anonymous
well is the answer umm 3 idk bruh
anonymous
  • anonymous
The answer is that there are 720 ways to make a 3 digit long password.
anonymous
  • anonymous
Because that's calculated with 10*9*8=720
anonymous
  • anonymous
You have 10 options for the first digit, 9 options for the second digit, and 8 option for the first digit..... Right?
anonymous
  • anonymous
OOOOOOOOOOOOOOOOOOOOOOOOOH OK THX BRO
anonymous
  • anonymous
You got it bro!
anonymous
  • anonymous
You got that flash eh?
anonymous
  • anonymous
Yeah
anonymous
  • anonymous
|dw:1439852518995:dw|
anonymous
  • anonymous
10*9*8

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