In 45.678, identify each digit's place and value.<br><br>Place-value breakdown from the decimal point:<br>&bull; ones: 5<br>&bull; tens: 4<br>&bull; tenths: 6 (value = 0.6)<br>&bull; hundredths: 7 (value = 0.07)<br>&bull; thousandths: 8 (value = 0.008)<br><br>&bull; (a) Tenths digit: 6<br>&bull; (b) Value of the digit 7: 0.07<br>&bull; (c) Thousandths digit: 8<br><br>Final Answer: (a) Tenths digit = 6, (b) Value of the digit 7 = 0.07, (c) Thousandths digit = 8