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Review – Chapter 1 Number 1. Write each number as a product of its prime factors a) 140 b) 435 c) 546 Name: Date: Block: d) 1925 2. Use prime factorization to determine the greatest common factor of the given numbers a) 90 and 225 b) 525 and 850 c) 66, 495 and 2541 3. Use prime factorization to determine the least common multiple of the given numbers a) 18 and 63 b) 125 and 175 c) 12, 30 and 105 4. Check the appropriate boxes to indicate all the sets to which each number belongs. Q N W Q R I 0.45 16 25 0 3 100 0.54 2 10 3.171771777... 0.765 3 512 5. Estimate each to the nearest tenth without a calculator 138 67 a) b) 3 35 c) d) 3 115 6. True or False: 45 is a member of the Natural number only. If false, correct the statement. 7. Multiply the sum of the radicand and the coefficient by the index for 54 7 8. Convert each of the following radicals to mixed radicals in simplest form 45 75 a) b) 72 c) d) e) 7 40 96 f) 3 125 5 9. Convert the following mixed radicals to entire radicals 1 2 a) 2 7 b) 5 6 c) 3 10. Find the length of x for each case a) b) d) 10 6 c) 26 x x 5 x 17 24 8 20