Final answer:
The 'Finger Reckoning Method' for 7 x 9 is not clearly defined but seems to be a mnemonic or visual technique for helping with multiplication, similar to how the knuckle mnemonic aids in remembering the days of the month. The information provided is not sufficient to give a specific answer.
Step-by-step explanation:
The Finger Reckoning Method for calculating 7 x 9 is likely referring to a mnemonic or visual technique to help remember multiplication tables. Perhaps similar to the knuckle mnemonic used for remembering the number of days in each month, where each protruding knuckle represents a month with 31 days, and the lower areas between the knuckles represent months with fewer days. However, the provided information seems to be a mix of various unrelated topics, including a spatial reasoning puzzle, segments of the periodic table, measurements in different units, and finger anatomy. Without a clear reference to the actual 'Finger Reckoning Method' for 7 x 9, we cannot provide a specific answer to this question. It is important to note that providing clear and relevant information is crucial for accurate and helpful responses.