Question 441352
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Hi
The 100th term of an arthmetic sequence is 138, and the common difference is 2. 
Arithmetic Sequence
{{{a[n]=a[1]+(n-1)*d}}}
{{{a[100]=a[1]+(99)*2 = 138}}}
   {{{a[1]= -60}}}
the first three terms are {-60,-58,-56,...}