Question: 4.1 Date Alg 2 Ext - Practice B In Exercises 1-6, evaluate the expression. 1. 5-4 2. (-5) 4 3. 7-1 4. 8 - 1

4.1 Date Alg 2 Ext - Practice B In Exercises 1-6, evaluate the expression. 1. 5-4 2. (-5) 4 3. 7-1 4. 8 - 1 -80 ( - 4 ) 5. 3 - 3 6. 6 42 ( - 1 ) exponents. In Exercises 7-21, simplify the expression. Write your answer using only positive 7. 7-2m n-4 8. (-9) j-14-4 9. 5-2Wo 20 y-10 10. 8 - 2 5 11. 3-2 a-1 9 - 16 - 20 12. 17xy-8 4-2 2- 6 13. (p5)3 ( 9-4)5 15. 53 . 5-7 16. -4 . (-4)-2 17. x. 18. 12 19. (-872 )3 20. 21. 3hs In Exercises 22 and 23, simplify the expression. Write your answer using only positive exponents. 22. 5x -4 y3.) 4 xy ab - 2 2x2 y 23 . 36 ' 9 4 In Exercises 24 and 25, evaluate the expression. Write your answer in scientific notation and standard form. 24. (4.3 x 10-4) (6 x 10' ) 25. 1.2 x 10-3 4.8 x 10-10 26. Find x and y when b'by = b' and b4xb-2y = b2. Explain how you found your answer. Copyright @ Big Ideas Learning, LLC Alge All rights reserved. Resources by C

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