SOLUTION: use the digits 5,6,7 and 8 to form too 2-digit numbers so that there product is as great as possible. Use each digit once.

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Question 336837: use the digits 5,6,7 and 8 to form too 2-digit numbers so that there product is as great as possible. Use each digit once.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
56%2A78=%094368
56%2A87=%094872
57%2A68=%093876
57%2A86=%094902
58%2A67=%093886
58%2A76=%094408
65%2A78=%095070
65%2A87=%095655
67%2A58=%093886
67%2A85=%095695
68%2A57=%093876
68%2A75=%095100
75%2A68=%095100
75%2A86=%096450
76%2A58=%094408
76%2A85=%096460
78%2A56=%094368
78%2A65=%095070
The maximum value is 6460.