Over a 200 year period, a volcano erupted once. According to this information, what is the yearly frequency of volcanic eruption?

1 Answer
Mar 2, 2018

#"0.005 year"^-1#

Explanation:

Frequency is the number of occurrences of a repeating event per unit of time.

#"Frequency" = "Total number of events"/"Total time"#

Volcano erupted once in 200 years

#"Frequency" = "1"/"200 year" = "0.005 year"^-1#