document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1180428>Question 1180428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The technology output for 1/2^74 is 5.29395592E - 23. Write this number in scientific notation with three significant digits.\r<BR>\n" );
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document.write( "The number 1/2^74 written in scientific notation with three significant digits is __.\r<BR>\n" );
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document.write( "​(Use scientific notation. Use the multiplication symbol in the math palette as​ needed.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #810106 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=810106\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The answer 5.294*10^(-23) from the other tutor has 4 significant digits, not 3.<br><BR>\n" );
document.write( "The number of decimal places is not the same thing as the number of significant figures.<br><BR>\n" );
document.write( "In particular, in scientific notation, there is always 1 significant figure to the left of the decimal point; so a number in scientific notation with n significant figures will have (n-1) digits after the decimal point.<br><BR>\n" );
document.write( "ANSWER: (1/2)^74 written in scientific notation with 3 significant figures is 5.29*10^(-23)<br><BR>\n" );
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