document.write( "Question 1025812: average of n numbers is a.the first number is increased by 2.the second one is increased by 4.the third one is increased by 8 and so on.the average of the new number is what? \n" ); document.write( "
Algebra.Com's Answer #641953 by robertb(5830)\"\" \"About 
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\"sum%28a%5Bk%5D%2C+k=1%2C+n%29%2Fn+=+a\" ==> \r
\n" ); document.write( "\n" ); document.write( "= \"a+%2B+%282%2Fn%29%282%5En-1%29\", or \"a+%2B+%282%282%5En-1%29%29%2Fn\"
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