Question: Let x = 1 . 9 9 9 9 9 dots. ( a ) Is x 2 or is x = 2 ? x 2

Let x=1.99999dots.
(a) Is x2 or is x=2?
x2
It is neither; x>2
x=2
x2 and x=2
It cannot be determined.
(b) Sum a geometric series to find the value of x.
x=
(d) How many decimal representations does the number 2 have?
decimal representations
(d) Which numbers have more than one decimal representation?
all real numbers
all integers except for 0
the integers
the rational numbers except for 0
all rational numbers that have a terminating decimal representation
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Let x = 1 . 9 9 9 9 9 dots. ( a ) Is x < 2 or is

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