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640
Mathematics
Science
2
of 2 appearances
Practice Mathematics
"640" appearances by year
84
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89
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99
04
1
09
14
19
24
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#
Clue
Answer As Given
Value
Round
Category
Air Date
Show
1 x 2 x 4 x 8 x 10
640
$800
DJ
YOU DO THE MATH
2006-09-11
#5056
The number of acres in a square mile
640
$500
J
ALL NUMBERS
1985-04-09
#152
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