Write a rule for the sequence
4, 8, 16, 32, …
3 answers
Each term is obtained by multiplying the previous term by 2.
geometric sequence
Tn = a r^(n-1)
Tn = 4 * 2^(n-1)
Tn = a r^(n-1)
Tn = 4 * 2^(n-1)
Correct! This is the formula for the nth term of a geometric sequence where the first term is a and the common ratio is r. In this case, a = 4 and r = 2.