Question

What is the 60th term in the pattern with the formula 2n + 10

Answer 1

The formula is 2n+10
Since n cannot be negative or zero, putting n=1
A1=2n+1 = 2(1)+10=12
A2=2n+1=2(2)+10=14
A3=2n+1=2(3)+10=16
And so on
Now, a=12; d=2; n=60
A60=a+(n-1)d
=12+(60-1)2
=12+59*2
=12+118
=130