SOLUTION: How many rows will a Truth Table require if there are seven variables and nine conditions of each variable. Please explain Please clarify the variables used in the formula so i

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Question 338582: How many rows will a Truth Table require if there are seven variables and nine conditions of each variable. Please explain
Please clarify the variables used in the formula so i understand where they come from.
NOTE: I would have said 7^2 but the statement about number of conditions threw me off.
Found 2 solutions by Fombitz, Edwin McCravy:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
You're on the right track.
It would be rows.
Think of it like writing a digit number

And the values of can vary from .
So then you would have
possible choices for each combination.
or .
Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!

[The other tutor's answer is incorrect.  He wasn't thinking of a truth table]

No, it's not 72 which would be only 49, it's 27, or 128 rows.

The conditions only determine the number of (vertical) columns needed, not the
number of (horizontal) rows.

Edwin
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