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15 Mar 2017, 06:06
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
78% (00:51) correct
22%
(01:27)
wrong
based on 211
sessions
History
Date
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15 Mar 2017, 11:06
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8×2^100 + 4×2^101
2^3 x 2^100 + 2^2 x 2^101
2^103 + 2^103
2^103 ( 1 + 1)
2^103 (2)
2^104
Answer D
2^3 x 2^100 + 2^2 x 2^101
2^103 + 2^103
2^103 ( 1 + 1)
2^103 (2)
2^104
Answer D
15 Mar 2017, 11:51
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vikasp99
8×2^100 + 4×2^101 =
A) 2^101
B) 2^102
C) 2^103
D) 2^104
E) 2^105
\(8*2^{100} + 4*2^{101}\)A) 2^101
B) 2^102
C) 2^103
D) 2^104
E) 2^105
= \(2^3*2^{100} + 2^2*2^{101}\)
= \(2^{103} + 2^{103}\)
= \(2^{103} ( 1 + 1 )\)
= \(2^{103}*2\)
= \(2^{104}\)
Thus, answer must be (D) \(2^{104}\)
