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Astronomical Numbers - Statistics
General Stats
- This quiz has been taken 469 times
- The average score is 13 of 18
Answer Stats
| Hint | Number | n | % Correct |
|---|---|---|---|
| World population in 2013 | 7 x 10n | 9 | 99%
|
| US debt ceiling in 2013 | US$1.67 x 10n | 13 | 91%
|
| Number of YouTube hits on Gangnam Style (as of Oct 2013) | 1.8 x 10n | 9 | 79%
|
| Age of Earth | 4.54 x 10n years | 9 | 78%
|
| World total GDP in 2012 | US$7 x 10n | 13 | 77%
|
| Speed of light | 3 x 10n m/s | 8 | 77%
|
| Age of Universe | 1.38 x 10n years | 10 | 75%
|
| Number of insect species | 6-10 x 10n | 6 | 72%
|
| Number of websites in 2013 | 4 x 10n | 9 | 72%
|
| Global CO2 emission in 2012 | 3.6 x 10n tonnes | 10 | 71%
|
| Astronomical Unit (average Earth-Sun distance) | 1.5 x 10n m | 11 | 69%
|
| Number of stars in Milky Way | 4 x 10n | 11 | 68%
|
| Mole (Avogadro constant, i.e. number of atoms in 12g carbon-12) | 6 x 10n | 23 | 66%
|
| Lightyear | 9.5 x 10n m | 15 | 63%
|
| Number of neurons in adult's brain | 1 x 10n | 11 | 62%
|
| Number of bacteria on Earth | 5 x 10n | 30 | 60%
|
| Number of base pairs in human genome | 3 x 10n | 9 | 59%
|
| Number of electrons per second in 1 Amp | 6.24 x 10n | 18 | 55%
|
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