document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=378046>Question 378046</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 10^2x=25, what is the value of 10^-x? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #268636 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=268636\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%5E%282x%29+=+25 ALIGN=MIDDLE  ALT=\"10%5E%282x%29+=+25\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Take square roots of both sides to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%5Ex+=+5 ALIGN=MIDDLE  ALT=\"10%5Ex+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  (Discard <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%5Ex+=+-5 ALIGN=MIDDLE  ALT=\"10%5Ex+=+-5\"   DISABLED_style= \"max-width:90%; height:auto;\" > since the left-hand side is never negative.)  THEN <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%5E%28-x%29+=+1%2F5 ALIGN=MIDDLE  ALT=\"10%5E%28-x%29+=+1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >, by taking reciprocals. </SPAN>\n" );
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