Ballpark #24 — answers
August 18, 2026 · five estimation questions and their accepted values
Question 1
How long is the Golden Gate Bridge's main span, in meters?
1280
Question 2
How many stars are in the Milky Way, in billions?
200
Astronomers' estimates run 100 to 400 billion.
Question 3
What is the minimum weight of a Formula 1 car with driver, in kilograms?
798
Current regulations.
Question 4
How many islands make up the Philippines?
7641
Question 5
What is the surface area of an adult human's skin, in square meters?
2
Typical adult: 1.8 to 2.
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