How many leading zeros (zeros after the decimal point but before the first nonzero digit of a number) are in 1/7!?  Select.
A) 1 B) 3 C) 5 D) 6 E) 9
7! = 7*6*5*4*3*2*1= 
<gadget id="calculator">7*6*5*4*3*2*1</gadget>
<output>5_040</output>
5040   1/7!= 1/5040   =[1/(5.04)] * 10^-3   1/(5.04) will be approximately lesser than .2   Number of leading zeros will be 3   Answer 3
<result>B</result>
How many leading zeros (zeros after the decimal point but before the first nonzero digit of a number) are in 1/7!?