If each of 3 digit code is formed of integers from 1 to 30, inclusively, and each of the digits are different, how many possible codes are there?
Choose the correct choice from the following answers:
A) 22896 B) 25423 C) 26980 D) 24698 E) 24360
Code consists of 3 digits and no digit is repeated.   First digit of the code can have 30 possibilities   Second digit can have 29 possibilities   Third digit can have 28 possibilities   Total number of possible codes = 30*29*28= 
<gadget id="calculator">30*29*28</gadget>
<output>24_360</output>
24360   Answer: 24360
<result>E</result>
If each of 3 digit code is formed of integers from 1 to 30, inclusively, and each of the digits are different, how many possible codes are there?