Question: Let x 0.99999 . . . . (a) Do you think that x , 1 or x 1? (b) Sum a geometric series

Let x − 0.99999 . . . .

(a) Do you think that x , 1 or x − 1?

(b) Sum a geometric series to find the value of x.

(c) How many decimal representations does the number 1 have?

(d) Which numbers have more than one decimal representation?

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