The digits after the decimal point represent tenths, hundredths, and thousandths respectively.

In 97.654:
• (a) The digit in the hundredths place (second decimal place) is 5.
• (b) The digit 6 is in the tenths place, so its value is 6 tenths = 0.6.
• (c) The digit in the thousandths place (third decimal place) is 4.

Final Answer: (a) 5, (b) 0.6, (c) 4