Question

Find the 8th term in the following geometric sequence.
28, 14, 7, 3.5, ...

Answer 1

0.21875

Explanation:

if the common ratio is 0.5 keep multiplying till the eight term

3.5 ×0.5=1.75 fifth term

1.75×0.5=0.875 sixth term

0.875×0.5=0.4375 seventh term

0.4375×0.5=0.21875 eight term

Therefore the eight term is 0.21875