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Pre-Algebra Chapter 4 Click to begin. Click here for Final Jeopardy Divisibility, Factors, and Exponents Simplify Fractions Prime? and Scientific and GCF Notation Word Problems 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points Which number is divisible by 5? A. 113 B. 60 C. 137 D. 114 B. 60 Which number is divisible by 3? A. 94 B. 53 C. 73 D. 123 D. 123 List the positive factors of 100. A. B. 1,2,4,5,10,20,25,50,100 1,2,4,5,8,10,12,20,25,50,100 C. D. 1,2,4,5,20,25,50,100 2,4,5,10,20,25,50 A. 1,2,4,5,10,20,25,50,100 Write (-4)(-4) using exponents. A. (-4)2 B. 2 -4 C. 2-4 D. (2)-4 A. 2 (-4) Write (x)(x)(x)(x)(y)(y) using exponents. A. x 4y 2 B. x4y4 C. 2 4 xy D. x 2y 2 A. 4 2 xy Simplify 5 + 4 (5 A. 104976 B. 10008 C. D. 638 28566 +8) C. 638 Simplify 16 + 3 . 4 2 A. 3 B. 4 C. 36 D. 24 16 D. 24 Simplify A. 12 B. 64 C. 32 D. 16 2 3 (2 ) B. 64 5 4 2 4 A. 1,048,576 B. 16,384 C. 64 D. 16 C. 64 8 3c 12 12c 4 4/c A. B. C4/4 C. C20/4 D. 1/4c4 D. 4 1/4c Is 97 prime or composite? A. Composite B. Prime B. Prime What is the prime factorization of 180? A.22*32*5 B.4*9*5 C.36*5 D.2*3*5 A. 2 2 2 *3 *5 How many prime numbers are there between 21 and 35? A. 3 B. 4 C. 2 D. None A. 3 Find the CGF of 12 and 45. A.45 B.180 C.12 D.3 D. 3 Find the GCF of 14abc and 2 2 3 28a b c . A. 14 B. 14abc C. 28abc D. 3 3 4 28a b c B. 14abc Which fraction is equivalent to 35/21? A. 5/3 B. 7/3 C. 3/5 D. 1 2/7 A. 5/3 Write 8/74 in simplest form. A. 8/37 B.4/74 C.4/37 D.8/74 C. 4/37 Write 806,000,000 in scientific notation. A.8.06 x 9 10 B.8.06 x 107 C.8.06 x 108 D.8.06 x 1010 C. 8.06 x 8 10 Write 9.79 x 105 in standard notation. A. 9,790,000 B. 979,000 C. 97,900,000 D. 97,900 B. 979,000 Multiply (6.8 x 2 10 ) (11.5 x A.78.2 x 105 B.7.82 x 106 C.782 x 106 D.66.4 x 6 10 3 10 ) B. 7.82 x 6 10 Parker wishes to leave a waitress a tip. Parker has 5 coins in his pocket: a penny, a nickel, a dime, a quarter, and a half-dollar. If he uses exactly 3 coins for the tip, how many different tips are possible? A. 15 B. 5 C. 20 D. 10 D. 10 Amber wants to put a fence around her vegetable garden. Her garden is 5 ft wide and 4 ft long. She plans to put a post at each corner and at every foot. How many fence posts will Amber need? A.14 posts B. 18 posts C. 19 posts D. 20 posts B. 18 You have 2 types of bread, 3 types of meat, and 2 types of cheese. How many different sandwiches can you make if each sandwich has 1 type of bread, 1 type of meat, and 1 type of cheese? A. 12 sandwiches B. 9 sandwiches C. 8 sandwiches D. 7 sandwiches A. 12 sandwiches A microscope can magnify the specimen 104 times. How many times is that? A. 40,000 times B.40 times C.10,000 times D.1,000 times C. 10,000 times Five people are at a party. Everyone shakes hands once with everyone else. How many handshakes are there? A. 8 B. 9 C. 10 D. 11 C. 10 Make your wager A group of 48 students must be arranged in rows. Each row must have the same number of students. If there must be at least 6 students in each row, how many possible arrangements are there? What are they? There are 6 possible arrangements: 6 students in 8 rows 8 students in 6 rows 12 students in 4 rows 16 students in 3 rows 24 students in 2 rows 48 students in 1 row