Find the 6th Term 7 , 10 , 13 , 16

This is an arithmetic sequence since there is a common difference between each term. In this case, adding ${\displaystyle 3}$ to the previous term in the sequence gives the next term. In other words, ${\displaystyle a_n=a_1+d(n-1)}$.

This is the formula of an arithmetic sequence.

Substitute in the values of ${\displaystyle a_1=7}$ and ${\displaystyle d=3}$.

Subtract ${\displaystyle 3}$ from ${\displaystyle 7}$.

Substitute in the value of ${\displaystyle n}$ to find the ${\displaystyle n}$th term.

Multiply ${\displaystyle 3}$ by ${\displaystyle 6}$.