1/4 * 1/3 * 1/2 * 1/1 = 1/24 chance that all 4 letters are placed in the correct envelopes.
With the first envelope, there are 4 choices of letters, so the probability of picking the correct letter is 1/4.
With the second envelope, there are 3 remaining letters, so the probability of picking the correct letter is 1/3.
The same logic follows the the third and final letter.
Answer:
yes distribute . . .
Step-by-step explanation:
the 6 to the 9 and the 4
6(9) - 6(4)=30
Answer:
$448 million
Step-by-step explanation:
When it is 2011, t=11, so
2 is greater then -5.
2 is a positive number unlike -5 it is a negative which is less then 2.
