Contrary to the above answer, statistics do not work that way. A 100-year flood has a 1% chance of occurring in any given year. That does not mean that there is a 100% chance in a century, just as tossing a coin twice does not guarantee that you will get heads. The probability of a 100 year flood can be found with the following formula:
P=1- (0.99)^n
P is the probability expressed as a decimal. Multiply this by 100 to get a percentage.
n is the number of years.
In this case the chance of a 100 year flood occurring in any 100 year period is about .63 or 63%.
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There are 100 years in a century.
There are roughly 31,557,600 seconds in a year. 100 years is 3,155,760,000
year = year decade = 10 years century = 100 years millenium = 1000 years.
If you are 100 years old, you would have been born 100 years ago. For example, if the current year is 2022, you would have been born in 1922. This is because your birth year is the current year minus your age.
36525. You take 100 (how many years) multiplied by 365.25(how many days are in a year).