How many 10-digit ternary strings are there that contain exactly two 0s, three 1s, and five 2s?

There are ways of picking 2 of the 10 available positions for a 0. 8 positions remain.

There are ways of picking 3 of the 8 available positions for a 1. 5 positions remain, but we're filling all of them with 2s, and there's way of doing that.

So we have

The last expression has a more compact form in terms of the so-called multinomial coefficient,

gmt is 4 hrs ahead of edt so just add four hours to 1: 14: 20 (minutes and seconds stay the same)

gmt is 5: 14: 20

hope this !

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