What is the smallest three digit number in ap with first term -3and common difference 7?
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a= -3 ,d = 7
nth term = a+(n-1)d
=>> -3 + (n-1)7
=>> -3+7n-7
=>> -10+7n
16th term = a+(n-1)d
=>> -3+(16-1)7
=>> -3 + 112-7
=>> -10+112
=>> 102
102 is the smallest 3 digit number
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