How many figures are required to number the pages the pages of a book containing 1000 pages?
Choose the correct choice: A) 2793 B) 2333 C) 2993 D) 2893 E) 2693
1 to 9 = 9 * 1= 
<gadget id="calculator">9 * 1</gadget>
<output>9</output>
9   10 to 99= 90 * 2= 
<gadget id="calculator">90 * 2</gadget>
<output>180</output>
180   100 to 999= 900 * 3= 
<gadget id="calculator">900 * 3</gadget>
<output>2_700</output>
2700   1000= 4   -----------   2893   ANSWER:2893
<result>D</result>
How many figures are required to number the pages the pages of a book containing 1000 pages?