SOLUTION: Panel has a combination lock. Patel has to set each part of the lock to a digit between 0 and 9 inclusive. One possible way to do this is 0, 8, 0, 7. (a) How many different ways

Question 1125008: Panel has a combination lock. Patel has to set each part of the lock to a digit between 0 and 9 inclusive. One possible way to do this is 0, 8, 0, 7.
(a) How many different ways can Pavel do this?

Pavel decides that the 1st and 3rd digits will be odd numbers and the 2nd and 4th digits will be even.
(b) How many different ways are possible now?
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!

a) ways for "0000" through "9999" inclusive

b) In this part, each digit can only take on only 5 values (5 evens for positions 2 and 4; 5 odds for positions 1 and 3): 5^4 =
RELATED QUESTIONS
. Someone has arrived at a hotel and his suitcase is locked with a three-digit... (answered by ikleyn)

I need to find the combination to a cylindrical lock with digits from 0-9 printed on each (answered by bucky)

A number lock has 8 different digits. A combination of two digits can be set to open the... (answered by Alan3354)

A small combination lock on a suitcase has 5 wheels, each labeled with the 10 digits 0 to (answered by ikleyn)

A number lock has 9 different digits. A combination of three digits can be set to open... (answered by vheroli)

A lock has three dials with the digits 0-9. How many codes to open the lock are possible? (answered by Alan3354)

Hi can someone help me solve this please? I got the first answer right on figuring out... (answered by ikleyn)

A safe containing $1,000,000 is locked with a combination lock. You pay $16 for one guess (answered by stanbon)

7. The door on the computer center has a lock which has five buttons numbered from 1 to... (answered by ewatrrr)