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Given That Log 2 5 = 2 log258\log _ { 2 } \sqrt [ 8 ] { 5 }

Question 128

Multiple Choice

Given that log 2 5 = 2.3219 and log 2 7 = 2.8074, evaluate the expression log258\log _ { 2 } \sqrt [ 8 ] { 5 } by using properties: For positive real numbers b , r and s , where b FF 1, and for any real number p , logbrs=logbr+logbs\log b r s = \log b r + \log b s logbrs=logbrlogbs\log b \frac { r } { s } = \log b r - \log b s logbrp=p(logbr) \log b r ^ { p } = p \left( \log _ { b } r \right)


A) 0.1672
B) 0.2827
C) 0.2902
D) 0.2602

Correct Answer:

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