1.

In how many ways can 8 letters be posted in 4 post boxes, if any number of letters can be posted in all of the four post boxes?

Answer»

Answer:

4^8

Step-by-step explanation:

Every distinct LETTER has FOUR BOXES (options) to go to.

So for eight such LETTERS: 4*4*4*4*4*4*4*4 = 65536



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