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- 1. Multiple ChoiceThe dimensions of an office building are 1.5 x 102 feet by 1.35 x 103 feet. What is the perimeter of the base of the building, in feet?1.50 x 1032.85 x 10 53.00 x 10 35.70 x 10 5
- 2. Multiple ChoiceA microgram is equal to 1 x 10 -6 grams. How many times greater than a microgram is 1 x 102 grams?1 x 10-81 x 10-41 x 1041 x 108
- 3. Multiple ChoiceA computer's hard disk drive holds 8 x 107 bytes of information. If Jill buys an extra memory stick that holds 3 x 106 bytes of information, how much memory will the computer hold?11 x 101311 x 1078.3 x 10138.3 x 107
- 4. Multiple ChoiceThe Diplodocus dinosaur is believed to have become extinct approximately 1.38x108 years ago. The Oviraptor is believed to have become extinct approximately 7x107 years ago. How many years were there between the extinction of these two dinosaur types?6.8 x 1086.8 x 10968 x 1086.8 x 107
- 5. Multiple ChoiceThe mass of he sun is 1.989 x 1030 kilograms. The mass of the earth is 5.98 x 1024 kilograms. How many times bigger is the sun than the earth?3.326 x 1053.326 x 1061.99 x 10301.99 x 106
- 6. Multiple ChoiceThere are approximately 3.1 x 108 people in the United States. If each person has 4.1 x 101 coins, how many coins are there altogether?1.271 x 10101.271 x 1091.271 x 10111.271 x 108
- 7. Multiple ChoiceIf a computer can perform an addition operation in 1.5 x 10-6 seconds, how long will it take to perform 1500 such operations?2.25 x 10-3 seconds2.25 x 10-6 seconds2.25 seconds2.25 x 106 seconds
- 8. Multiple Choice
Let M = 7,987,676,676. What is the smallest power of 10 that exceeds M?
109
1010
109
1012
- 9. Multiple ChoiceThe US spends an average of 1.02x104 dollars on each student per year. There are about 7.6x107 students in the US. About how much money total is spent on students per year?7.752 x 10117.752 x 10288.62 x 10118.62 x 1028
- 10. Multiple ChoiceAs part of a community service project, a class planted 7x105 trees in a year. If there are 3.5x103 students in the school, how many trees did each student plant?2 x 1082 x 1023.5 x 1083.5 x 102
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