csat-suneung 2005 Q27

csat-suneung · South-Korea · csat__math-humanities 4 marks Laws of Logarithms Characteristic and Mantissa of Common Logarithms

Let $a$ be the largest integer among numbers whose common logarithm characteristic is 2, and let $b$ be the smallest number among numbers whose common logarithm characteristic is $-2$. What is the value of $ab$? [4 points]
(1) 0.9
(2) 0.99
(3) 1
(4) 9.99
(5) 10

Let $a$ be the largest integer among numbers whose common logarithm characteristic is 2, and let $b$ be the smallest number among numbers whose common logarithm characteristic is $-2$. What is the value of $ab$? [4 points]\\
(1) 0.9\\
(2) 0.99\\
(3) 1\\
(4) 9.99\\
(5) 10

Paper Questions

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