Answer:
40 steps downwards
Step-by-step explanation:
Answer:
Step-by-step explanation:
The probability that a person answered incorrectly is 4/5
P(1st answered incorrectly AND 2nd answered incorrectly AND
3rd answered incorrectly AND 4th answered incorrectly AND
5th answered incorrectly AND 6th answered incorrectly AND
7th answered incorrectly AND 8th answered incorrectly)
Since "AND" mean to multiply, the probability that none of the 8 guessed correctly is
4/5×4/5×4/5×4/5×4/5×4/5×4/5×4/5
=(4/5)^8
=0.16777216
There were 100 magazines altogether and she bought 50 of them.
Answer:
I cant see it
Step-by-step explanation:
So the first digit could be 0-9.
second is the same 0-9
And the 3rd 0-9 and lastly the 4th 0-9
There is a 
chance that they will get it right by guessing.
So that means a 
chance that they will get it right.
So their are 10000 possible codes.
