document.write( "Question 300787: What is the last digit in the following product? (2^1)(2^2)(2^3)(2^4)... (2^198)(2^199)(2^200)? \n" ); document.write( "
Algebra.Com's Answer #215755 by Alan3354(69443)\"\" \"About 
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What is the last digit in the following product? (2^1)(2^2)(2^3)(2^4)... (2^198)(2^199)(2^200)?
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\n" ); document.write( "The exponent is the sum of 1 to 200
\n" ); document.write( "--> \"2%5E20100\"
\n" ); document.write( "Last digit = 6
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