Monday
December 22, 2014

Homework Help: math

Posted by greeny on Friday, August 17, 2012 at 10:40pm.

how many different positive four-digit integers can be formed if the first digit must be 2, the last digit cannot be zero, and digits may be repeated?

I know the answer is 900 but I'm not sure how I would get the answer? thanks!

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - How many different positive four-digit integers can be formed if the ...
college math - How many different four-digit numbers can be formed from the ...
math-permutuation - a four digit serial number needs to be created using digits ...
MATH ( PROBABILITY) - Security codes in Fiji are made up of 4 digits. How many ...
Math - i am a four digit number. all of my digits are different. my first digit ...
Math. Explain - From the digits 1, 2, 3, and 4, how many positive integers are ...
Math - How many odd four-digit numbers, all of the digit different can be formed...
math - Find a six-digit even number containing no zeros and no repeating digits ...
math - this code has five digit 1,2,3,4,5. the first digit plus the second digit...
math - How many different 6 digit numbers can be formed using the digits 1,2,3,4...

Search
Members