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Mathematics 9 Online
OpenStudy (anonymous):

Choose the counterexample that disproves the conjecture. If n is a two-digit prime number, then the two digits must be different.

jimthompson5910 (jim_thompson5910):

Can you think of any examples that contradict the statement?

OpenStudy (anonymous):

n=22 or n=17 n=11 n=10 these are my answers but im really comfused on with one it be

jimthompson5910 (jim_thompson5910):

which of those are prime?

OpenStudy (anonymous):

11 and 17

jimthompson5910 (jim_thompson5910):

and which of those contradict the claim

OpenStudy (anonymous):

11 ?

jimthompson5910 (jim_thompson5910):

correct

jimthompson5910 (jim_thompson5910):

that counterexample disproves the claim

OpenStudy (anonymous):

haha thxs so much

jimthompson5910 (jim_thompson5910):

you're welcome

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