document.write( "Question 728512: Find the power of i\r
\n" ); document.write( "\n" ); document.write( "(-i)42\r
\n" ); document.write( "\n" ); document.write( "Possible answers:\r
\n" ); document.write( "\n" ); document.write( "A) (-i)2
\n" ); document.write( "B) 1
\n" ); document.write( "C) i
\n" ); document.write( "D) -i
\n" ); document.write( "E) -1
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Algebra.Com's Answer #445474 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
(-i)^42 = (i^3)^(42) = i^(126) = (i^4)^31*i^2 = 1*(-1) = -1
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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\n" ); document.write( "Possible answers:
\n" ); document.write( "A) (-i)2
\n" ); document.write( "B) 1
\n" ); document.write( "C) i
\n" ); document.write( "D) -i
\n" ); document.write( "E) -1
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