1.68 divided by what equals 0.28

Consider the first four terms of the sequence below. what is the 8th term of this sequence?

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected

Plzz ! need the answer asap! 7% of 980