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Tribe Name ________________________________ Point Score __________ Name _______________________________ Date ___________________ Pre-Algebra Mastery Challenge 34 points Lesson 4-8: Scientific Notation Learning Targets: I can express numbers in standard form and in scientific notation. I can compare and order numbers written in scientific notation. Express each number in standard form. (8 points) 1. 5.72 × 104 2. 5.689 × 10−3 3. 9.01 × 10−2 4. 2.505 × 103 Express each number in scientific notation. (12 points) 5. 2,000,000 6. 0.006 7. 5,894,000 8. 0.000425 9. Humans blink about 6.25 million times a year. 10. A particle of dust floating in the air weighs 0.000000753 gram. Page 2 Determine which symbol, <, >, or =, will make a true statement. (3 points) 11. 2.3 × 105 ⃝ 1.7 × 105 12. 5.2 × 102 ⃝ 5000 13. Order 6.1 × 104 , 6100, 6.1 × 10−5 , 0.0061, and 6.1 × 10−2 from least to greatest. (2 points) 14. Write (4 × 104 ) + (8 × 103 ) + (3 × 102 ) + (9 × 10) + (6 × 100 ) in standard form. (1 point) 15. Rank the oceans in the table at the right by area from least to greatest. (4 points) Ocean Arctic Atlantic Indian Pacific Area (sq mi) 5.44 × 106 3.18 × 107 2.89 × 107 6.40 × 107 Review: Find each product or quotient. Express using exponents. (4 points) 16. 3𝑎2 ∙ 5𝑎4 17. 𝑐 5 ÷ 𝑐 2