How do you write the first five terms of the sequence $a_n=2^n$ ?

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Answer 1 · 2017-02-14T09:53:10

See explanation.

To calculate the $n-th$ term of a sequence you substitute $n$ in the formula. So:

$a_color(red)(1)=2^color(red)(1)=2$

$a_color(red)(2)=2^color(red)(2)=4$

$a_3=2^3=8$

$a_4=2^4=16$

and $a_5=2^5=32$

How do you write the first five terms of the sequence a_n=2^na_n=2^n?