Practice problem
What is the common ratio of the geometric sequence 1,12,14,18,116,…,1,\frac{1}{2},\frac{1}{4},\frac{1}{8},\frac{1}{16},\dots,1,21,41,81,161,…, as a decimal?
0.1250.1250.125
0.250.250.25
0.50.50.5
222
Type a concept, like “slope” or “photosynthesis”.
