If n is a positive integer and 10!=25×7×81×2n10!=25×7×81×2n, what is the value of n? Options.
A) 2  B) 4  C) 5  D) 8  E) 10
The question simply asks to find the highest power of 2 which divides 10!   So, we need to find the maximum power of 2 as below -   10/2= 
<gadget id="calculator">10/2</gadget>
<output>5</output>
5   5/2= 2   2/1 = 1   Total Powers of 2 is  5+2+1= 
<gadget id="calculator"> 5+2+1</gadget>
<output>8</output>
8   Answer is definitely (8)   ANSWER:8
<result>D</result>
If n is a positive integer and 10!=25×7×81×2n10!=25×7×81×2n, what is the value of n?