In 42.537, the decimal places are: tenths (0.1), hundredths (0.01), thousandths (0.001).<br><br>
&bull; (a) The hundredths place is the second after the decimal: 3.<br>
&bull; (b) The digit 5 is in the tenths place, so its value is 5 &times; 0.1 = 0.5.<br>
&bull; (c) The thousandths place is the third after the decimal: 7.<br><br>
Final Answer: (a) 3, (b) 0.5, (c) 7