# How do you use the geometric sequence of numbers 1, 2, 4, 8,…to find the 24th term?

Jun 17, 2015

${a}_{24} = {2}^{23} = 8388608$
${a}_{1} = 1$
$q = 2$
To calculate the $n - t h$ term you use the formula ${a}_{n} = {a}_{1} \cdot {q}^{n - 1}$