change the decimal to a fraction: 0.1213. A. 1213/1000. B. 1213/99. C. 1 213/1000. D. 12 13/10. E. this decimal is irrational and cannot be written as a fraction
To change the decimal 0.1213 to a fraction, we need to write it as a fraction with a numerator and denominator.
0.1213 can be written as 1213/10000.
Out of the given options, A. 1213/1000 is the closest fraction to 0.1213, but it is not exact.
Therefore, the correct answer is E. this decimal is irrational and cannot be written as a fraction.