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Q 1 | Layout | |
What is the product of 6.24 and 104? Express your answer in standard form.
Answer: | ||
Q 2 | Layout | |
In 1906 an earthquake measured 8.3 on the Richter Scale. Earthquakes measuring
over 8.0 on the scale are considered disasters because they leave few buildings
standing. A Richter Scale reading of 8.0 has 1 × 107 more energy than a reading of 1.0.
1 × 107 can also be written in standard form as
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Q 3 | Layout | |
A nanogram is 1 × 10−9 of a gram. How can this be expressed in standard form?
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Q 4 | Layout | |
What would be the value of the expression 3 × 10x if x = 4?
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Q 5 | Layout | |
How do you write 105 in standard form?
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Q 6 | Layout | |
It is estimated that there are billions of galaxies in the universe. The closest galaxy to the Milky Way is Messier 31. It is about 2 million light years away. Another way to write 2 million is
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Q 7 | Layout | |
Use the symbol <, =, > to make the statement true.
6.8 × 104 6.8 × 103 | ||
Q 8 | Layout | |
Use the symbol <, =, > to make the statement true.
106 107 | ||
Q 9 | Layout | |
Use the symbol <, =, > to make the statement true.
4 × 10−2 4 × 10−1 | ||
Q 10 | Layout | |
How would you change the number 2.97 × 105 to 2.97 × 103?
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Q 11 | Layout | |
How would you change the number 3.2 × 10−7 to 3.2 × 10−4?
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Q 12 | Layout | |
How would you change the number 1.205 × 10−2 to 1.205 × 10−3?
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Q 13 | Layout | |
How would you change 2.05 × 10−1 to 2.05 × 10?
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Q 14 | Layout | |
The distance to the Moon from Earth is 5.05 × 108 miles. The distance to the Pluto is 5.05 × 1016 miles. How many times the distance to the Moon is it to Pluto?
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Q 15 | Layout | |
The number 2.12 × 1012 is multiplied by one hundred thousand, and the result is expressed as 2.12 × 10n. What is the value of the new exponent, n?
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Q 16 | Layout | |
1.005 × 102 divided by one thousand is equal to 1.005 × 10 raised to what power?
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