document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1196142>Question 1196142</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Performing the indicated operations and express final answer using the correct number of significant figures.\r<BR>\n" );
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document.write( "1. 4. 765 cm3 ÷ 2.5 cm3 = <BR>\n" );
document.write( "2. (65.7 cm) (0.0567 cm) =  </SPAN>\n" );
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document.write( "Problem 1\r<BR>\n" );
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document.write( "Use a calculator or long division to divide as you normally would.<BR>\n" );
document.write( "(4.765)/(2.5) = 1.906\r<BR>\n" );
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document.write( "The units cm^3, aka \"cubic centimeters\", cancel out.\r<BR>\n" );
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document.write( "The 1.906 rounds to 1.9 which is to two sig figs. <BR>\n" );
document.write( "We round to the lowest sig fig count of the original values.<BR>\n" );
document.write( "4.765 = four sig figs<BR>\n" );
document.write( "2.5 = two sig figs\r<BR>\n" );
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document.write( "In other words, always go for the least accurate measurement of the original given values.<BR>\n" );
document.write( "Think of it like going for the weakest link in the chain.\r<BR>\n" );
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document.write( "Answer: <font color=red>1.9</font><BR>\n" );
document.write( "There are no units since they canceled\r<BR>\n" );
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document.write( "Problem 2\r<BR>\n" );
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document.write( "Multiply the values out using a calculator or pencil/paper<BR>\n" );
document.write( "The lattice method is a handy visual tool for pencil/paper method.\r<BR>\n" );
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document.write( "65.7*0.0567 = 3.72519\r<BR>\n" );
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document.write( "Like with the previous problem, we round to the smaller sig fig count<BR>\n" );
document.write( "65.7 = three sig figs<BR>\n" );
document.write( "0.0567 = three sig figs<BR>\n" );
document.write( "Note that these particular \"0\"s are not sig figs\r<BR>\n" );
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document.write( "The 3.72519 rounds to 3.73 which is to three sig figs\r<BR>\n" );
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document.write( "The units are cm^2, aka \"square cm\". Think of a 1 cm by 1 cm rectangle which is really a square. This is exactly where \"square cm\" comes from.\r<BR>\n" );
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document.write( "Answer: <font color=red>3.73 cm^2</font><BR>\n" );
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