If k is an integer and 0.00010101 x 10^k is greater than 10, what is the least possible value of k? Choose one: A) 3 B) 4 C) 5 D) 6 E) 7
0.00010101 * 10^k &gt; 10   We need to move the decimal point to the right 5 places to get 10.101   This is equivalent to multiplying by 10^5.   The answer is 5.
<result>C</result>
If k is an integer and 0.00010101 x 10^k is greater than 10, what is the least possible value of k?