Computer Science, asked by nikhiltheking2309amo, 18 hours ago

Write all the possible combinations to form a string of two numbers using 7, 8 and 9.

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Answered by PktheRock001

Answer:all the possible combinations to form a string of two numbers using 7, 8 and 9.

Explanation: number of cases - when repeatation is not allowed -7 8 ,8 7 , 9 7 , 7 9 ,9 8, 8 9 thus all the possible combinations to form a string of two numbers using 7, 8 and 9 is 6.

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