The average lifespan of the average African-American male is 69 years.
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The life span of U.S. currency is determined by usage. Paper currency of $20, $10, $5, $1 on average stays in circulation less than two years, while a $50 or $100 bill has an average life span of more than seven years.
The average tornado lasts about 10 minutes.
19-20 cm If your handspan is between 18-19cm you are extremley abnormal
The span error is calculated by taking the span error and dividing it by the original measurement then multiplying by 100. The value gives us the span error as a percentage.
18 to 21 months That's the reason some people are calling for the bill to be eliminated in favor of the new dollar coins. They cost more to produce but they last 30 years or more, so they're much cheaper in the long run. Almost half of all bills printed are $1 notes, and the government actually had to build a new printing facility to meet demand.