MATH 320 Midterm: MATH 320 KSU Test 3s00
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The point value of each problem is given in the margin. (12) 1. (a) use the euclidean algorithm to nd gcd(552, 270) . (b) find lcm(22. 7 112) . (c) suppose gcd(a, b) = 1 . Find lcm(a, b) in terms of a and b . Circle t for true and f for false. T f (a) let m/n be a reduced proper fraction, such that 5 n and 2 n . T f (b) let m/n have a terminating decimal expansion of length 2 . If m/n is a reduced proper fraction then n = 22. Determine: (a) 1, 173, 214, 982 mod 10 . (b) the remainder for 10101. 11 . (10) 5. (a) convert the decimals . 02 and . 14 into fractions. (b) convert the fractions 1. 8 (12) 7. (a) five eights of the students at salem state college live in dormi-