The age of the victim was estimated at 30-40 years.

The age of the teeth has been estimated at 9000 years.

From that, he estimated the maximum age of Earth at 5.3 billion years.

The age of the system has been estimated at around 230 million years.

The age of the cave is estimated at approximately 250,000 years.

The current mine life is estimated at more than 30 years.

The youth of these stars, estimated at less than 300 million years in both cases, is also critical.

The recurrence period is estimated at 100 to 1,000 years.

The average life expectancy in 2005 was estimated at 47.18 years.

Its age is estimated at less than a billion years.