The digits after the decimal point represent tenths, hundredths, and thousandths respectively.
In 81.694:
• (a) The digit in the thousandths place (third decimal place) is 4.
• (b) The digit 9 is in the hundredths place, so its value is 9 hundredths = 0.09.
• (c) The digit in the tenths place (first decimal place) is 6.
Final Answer: (a) 4, (b) 0.09, (c) 6