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QUESTION
1. k is integer and negative. Which one is the highest number (a) 5 + k (b) 5k (c) 5 - k (d) 5^k. 2. 16^100 : 2 is equal to: (a) 8^99 (b) 8^100 (c) 16^50 (d) 2^399 3. A and B are two real number
1. k is integer and negative. Which one is the highest number
(a) 5 + k
(b) 5k
(c) 5 - k
(d) 5^k.
2. 16^100 : 2 is equal to:
(a) 8^99
(b) 8^100
(c) 16^50
(d) 2^399
3. A and B are two real numbers. The following expressions are true or false?
(a) If A = 2 then A^2 = 4
(b) If A^2 = 4 then A = 2
(c) If AB = 0 allora A = 0
(d) If A = 0 then A.B = 0
