Question
The sum of all 2 digit numbers greater than 19 is(a) 4760(b) 4880(c) 3980(d) 4580
Step 1
Step 1: The sum of an arithmetic series is given by the formula: \[ S = \frac{n}{2} (a + l) \] where \(n\) is the number of terms, \(a\) is the first term, and \(l\) is the last term. Show more…
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