If each of 4 digit code is formed of integers from 1 to 50, inclusively, and each of the digits are different, how many possible codes are there? Choose the correct option
A) 5527200
B) 5586300
C) 5598600
D) 5547800
E) 2569800
Code consists of 4 digits and no digit is repeated.   First digit of the code can have 50 possibilities   Second digit can have 49 possibilities   Third digit can have 48 possibilities   fourth digit can have 47 possibilities   Total number of possible codes = 50*49*48*47= 
<gadget id="calculator">50*49*48*47</gadget>
<output>5_527_200</output>
5527200   5527200nswer: 5527200
<result>A</result>
If each of 4 digit code is formed of integers from 1 to 50, inclusively, and each of the digits are different, how many possible codes are there?