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14 Cards in this Set
- Front
- Back
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nanosecond |
a billionth of a second |
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average distance between Mercury and the sun |
58,000,000 km or 5.8 x 10^7 |
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seconds in a year |
31.6 million or 3.16 x 10^6 |
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a cosmic year |
13.7 billion years or 1.37 x10^10 |
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diameter of observable universe |
27.4 billion light years or 2.74 x 10^10 |
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radius of observable universe |
14 billion light years or 1.4 x 10^9 |
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diameter of the Milky Way |
100,000 light years or 10^5 |
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milliyear |
1 thousandth of a year |
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an astronomical unit |
150 million (1.5 x 10^7) km or the average distance between earth and the sun |
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a light-year |
9.46 million (1.46 x 10^6) km |
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multiply 10^6 x 10^2 |
add exponents = 10^8 |
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divide 10^6 / 10^2 |
subtract exponents = 10^4 |
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raise 10^6 to 10^2 |
multiply exponents = 10^12 |
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add 10^6 + 10^2 |
longhand 1.000,000 + 100 = 1,000,100 |
