ANSWERS: 3

3.5973 is exact to two decimal places, but the real answer is irrational, so there is no exact solution in nonsymbolic form.

10 (but I am counting in the binary system: decimal 2*2=4) 3.59728502354045 is not exact, but is in the decimal system.

2162017 Math is only valid when it describes reality. There is no example of reality described by the given statement.
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