CHAPTER 5 Test 293 Test CHAPTER 5 1. Which of the numbers 2, 3, 4, 5, 6, 8, 9, 10 divide 48,395? 5 2. Determine the prime factorization of 432. ⋅ 2 3 4 3 3. Evaluate (3) 7 (4). [ ] − + − − 8 4. Evaluate [ ] − − ÷ − ( 70)( 5) (8 10). −175 5. Convert 53 8 to an improper fraction. 43 8 6. Write 13 25 as a terminating or repeating decimal. 0.52 7. Express 2.65 as the quotient of two integers. 53 20 8. Evaluate the expression using the order of operations: − ÷ 7 20 12 25 9 10 . − 11 60 9. Simplify 75 12. − 3 3 10. Rationalize the denominator 2 7 . 14 7 11. Determine whether the integers are closed under the operation of multiplication. Explain your answer. Yes; the product of any two integers is an integer. 12. Name the property illustrated: + = + x x 3( 7) 3 21. Distributive property of multiplication over addition Evaluate the expression. 13. 4 4 5 2 64 14. ⋅ 4 4 3 2 1024 15. 3 4− 1 81 16. Perform the operation by first converting the numerator and denominator to scientific notation. Write the answer in scientific notation. 7,200,000 0.000009 × 8.0 1011 17. Write an expression for the general or nth term, a ,n of the sequence 2, 6, 10, 14, . − − − − … a n4 2 n = − + 18. Determine the sum of the terms of the arithmetic sequence. The number of terms, n, is given. n 2,5,8,11, ,32; 11 − − − − … − = −187 19. Write an expression for the general or nth term, a ,n of the sequence … 3, 6, 12, 24, . = − a 3(2) n n 1 20. Write the first 10 terms of the Fibonacci sequence. 1, 1, 2, 3, 5, 8, 13, 21, 34, 55
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