green back swallow home riddle

green back swallow home riddle

1 man told his son that he would give him $1000 if he could accomplish the following task.

So ,The father gave his son ten envelopes and a thousand dollars, all in one-dollar bills. He told his son,

Place the money in the envelopes in such a manner that no matter what number of dollars I ask for, you can give me one or more of the envelopes, containing the exact amount I asked for without having to open any of the envelopes.If you can do this, you will keep the $1000.

When the father asked for a sum of money, the son was able to give him envelopes containing the exact amount of money asked for.

How did the son distribute the money among the ten envelopes?

Answer  1, 2, 4, 8, 16, 32, 64, 128, 256 and 489