Review Practice Chapters 1-3 B



____________1. If a suit is originally $300 and it is on sale at 20% off, how much does it cost?

____________2. What is thirteen ten-thousandths written is a scientific notation?

____________3. 42 =_______

____________4. If the dog population of america rounded to the nearest hundred-thousand is 99,000,000
                      what is the largest actual population?

____________5. As a decimal, 121/2% =________.

____________6. In scientific notation, 478 x 10-20=______.

____________7. 4.2% of 200=_______.

____________8. In lowest terms, 16/24=________.

____________9. 34.6 million x 10-3 =_________.

____________10. As a decimal 3.2% is________.

____________11. What is the smallest number?         -.0202    -.02202    -.02032     -.02232

____________12. As a decimal 49/50=________

____________13. Give a simple fraction between 124/1000 and 125/1000__________.

____________14. On a spreadsheet, what command would you use to put a group of names in alphabetical order?

____________15. How many feet are in 4.5 miles?

____________16.  40,000 cm = __________ meters

____________17.  How many cubic centimeters are in a cubic meter?

____________18.  1 inch = _______ cm

____________19.  How many degrees is a right angle?