5 Questions packed into one Question

Algebra Level 2

For statements that is correct, type 1. For statements that is incorrect, type 2. For statements that is partially correct, type 3. So the answer is a 5-digit number \[\] 1) \({ (50) }_{ 5 }\quad =\quad { (100) }_{ 5 }\) \[\] 2) \(\int _{ -1 }^{ 1 }{ n } dx\quad =\quad 0\) \[\] 3) \(123456789\) is divisible by all integers from 1 to 9 \[\] 4) The previous answers are a perfect square \[\] 5) \(\sum _{ x = 1 }^{ n }{ x } \quad =\quad \frac { n\quad (n\quad +\quad 1) }{ 2 } \)

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