document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=170841>Question 170841</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One common use of positive and negative exponents is in writing numbers as scientific notation. for example 0.000052 can be writtrn as 5.2*10^-5. A) Use scientific notation and the law of exponents to evaluate (0.000054)(0.00000033)(0.013). Leave your answer in scientific notation. B) If a space probe travels at 12 kilometers per second for 10 years, how far will it travel? Write your answer in scientific notation. ( Assume 1 year =365)\r<BR>\n" );
document.write( "\n" );
document.write( "Scientific Notation: A number is expressed in scientific notation when it is in the form a*10^n, where a is greater than or equal to 1 but less than 10 and n is an integer.\r<BR>\n" );
document.write( "\n" );
document.write( "I got the first part, I think. <BR>\n" );
document.write( "5.4*10^-5<BR>\n" );
document.write( "3.3*10^-7<BR>\n" );
document.write( "1.3*10^-2=    23.17*10^-14\r<BR>\n" );
document.write( "\n" );
document.write( "The second part I have no clue. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #126135 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=126135\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A) Use scientific notation and the law of exponents to evaluate <BR>\n" );
document.write( "(0.000054)(0.00000033)(0.013)= 5.4x10^-5 * 3.3x10^-7 * 1.3x10^-2<BR>\n" );
document.write( "= 2.3166x10^-13<BR>\n" );
document.write( "------------------------------------------<BR>\n" );
document.write( ". Leave your answer in scientific notation. <BR>\n" );
document.write( "------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "B) If a space probe travels at 12 kilometers per second for 10 years, how far will it travel? Write your answer in scientific notation. ( Assume 1 year =365) <BR>\n" );
document.write( "Find # of seconds in 10 years:<BR>\n" );
document.write( "60*60 = 3.6x10^3 # of seconds in one hour<BR>\n" );
document.write( "3.6x10^3*24*365*10*12 = 3.78432x10^9 km/10yrs<BR>\n" );
document.write( "=====================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );