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Pre-Algebra Part A Chapter 3 Review. Write each using exponents. Write each using exponents. 6 3 7 5 20 4. Simplify. Simplify. 81 100,000,000 4.913. Simplify. Simplify. 72 39 57. Simplify. (-6) 3 -2 4 5 5. Simplify. -6 x -6 x -6 = -216 -1 x 2 x 2 x 2x 2 = -16
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Write each using exponents. 63 75 204
Simplify. 81 100,000,000 4.913
Simplify. 72 39 57
Simplify. (-6)3 -24 55
Simplify. -6 x -6 x -6 = -216 -1 x 2 x 2 x 2x 2 = -16 5 x 5 x 5 x 5 x 5 = 3125
Simplify. 43+
Simplify. 66
Tell whether the number is divisible by 2,3,4,5,6,8,9, or 10. 324 625 4,725 7,848
Divisibility Tests 2,3,4,6,9 5 3,5,9 2,3,4,6,8,9
Find the LCM of each pair of numbers. 4,6 9,12 2,5 10,6 24,8
Least Common Multiples 12 36 10 30 24
Find the factors of each number. 20 23 70
Factors 1,2,4,5,10,20 1,23 1,2,5,7,10,14,35,70
Tell whether each number is prime or composite. 7 16 21 1 51
Prime or composite? Prime Composite Composite Neither Composite
Write the prime factorization. Use exponents where possible. 45 84 111 75
Prime Factorization. 32 x 5 22 x 3 x 7 3 x 37 3 x 52
Find the GCF of each pair of numbers. 18,32 12,15 16,80 10,85
Greatest Common Factors 2 3 16 5
Use multiples to write two fractions equivalent to each fraction.
Use common factors to write two fractions equivalent to each fraction.
Write each improper fraction as a mixed number in simplest form.
Fractions as decimals. 0.4 0.75 0.1875 0.16
Write each decimal as a fraction or mixed number in simplest form. 0.66 0.8 3.75 2.5
Order from greatest to least. 0.58, 0.67,
Greatest to least. 0.67, 0.58,
Order from least to greatest. -1.0 0.25,
Order from least to greatest. -1.0, 0.25,