Discussion
If number has three digits in integral part, then its characteristic is
Answer: A
For a number greater than 1, the characteristic is one less than the number of digits before the decimal point.
\[ \text{characteristic} = (\text{digits in integral part}) - 1 = 3 - 1 = 2 \]
For example \( \log 342 = 2.5340 \), and 342 has three digits. This works because \( 100 \leq 342 < 1000 \), so the logarithm lies between 2 and 3.
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