The average of first 10 prime numbers is?  Pick one.
A) 12.9 B) 12.6 C) 12.3 D) 512.4 E) 12.1
Sum of 10 prime no. = 129   12.9verage = 129/10= 
<gadget id="calculator">129/10</gadget>
<output>129/10 = around 12.9</output>
12.9   12.9nswer: 12.9
<result>A</result>
The average of first 10 prime numbers is?