International's Rounding Numbers???

International Students
1

<p>HELP how do you solve number b and c from problem#3???
and how do you solve problem#5??? please help </p>

<p><a href=“http://library.thinkquest.org/10796...q.htm?tqskip1=1[/url]”>http://library.thinkquest.org/10796...q.htm?tqskip1=1&lt;/a&gt;&lt;/p&gt;

2

<p>your link doesn’t work…</p>

3

<p>link’s dead</p>