A decimal can be written as a fraction by using place value.<br><br>&bull; 0.6 means 6 tenths = \(\frac{6}{10}\).<br>&bull; Simplify by dividing numerator and denominator by 2.<br>&bull; \(\frac{6 \div 2}{10 \div 2} = \frac{3}{5}\).<br><br>Final Answer: C: \(\frac{3}{5}\)