Estimation: Which of the following is the most reasonable estimate of the number of characters (typed letters or numbers) in a 609-page book? Assume an average of 194 words per page and a reasonable average number of letters per word.
A. 5 × 105 char
B. 5 × 107 char
C. 5 × 106 char
D. 5 × 104 char
Answer: A
Physics & Space Science
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