Answer:
ok good luck with that and have a great day
Answer:
I think its 40 if i did it right Ill show you how i did it
Step-by-step explanation:
First I added 12+12 and the is 24.
The I added 8+8 and that was 16.
Lastly I added 16+24= 40
if something can be solved to a/b its rational
4/5 is rational already
√4/5 = 2/5 so its rational
√25/4 = 5/4 so its rational
π = is irrational because its 3.14159.....and on and on it can never be rationalized
Answer:
There are 60840 unique PINS if letters can be repeated but digits cannot be repeated
Step-by-step explanation:
In total, there are 26 letters and 10 digits.
The PIN has the following format:
L - L - N - N
The letters can be repeated, so for both letters, there are 26 options.
The digits cannot be repeated. So for the first digits there are 10 options. For the second there are 9, since the first digit used cannot be repeated.
In total:
26 - 26 - 10 - 9
26*26*10*9 = 60840
There are 60840 unique PINS if letters can be repeated but digits cannot be repeated
