ࡱ> bda bjbj 46bbbbbvvvvv UPTTTTTTT$]VYvTbTbbT bbTTOT@YlQ4xTT0 UQtY(YhTYbTdTT UY (: Significant Digit Worksheet Give the number of significant digits in each of the following measurements: 1. 1278.50 __________ 7. 8.002 __________ 13. 43.050 __________ 2. 120000 __________ 8. 823.012 __________ 14. 0.147 __________ 3. 90027.00 __________ 9. 0.005789 __________ 15. 6271.91 __________ 4. 0.0053567 __________ 10. 2.60 __________ 16. 6 __________ 5. 670 __________ 11. 542000. __________ 17. 3.47 __________ 6. 0.00730 __________ 12. 2653008.0 __________ 18. 387465 __________ Round off the following numbers to three significant digits: 19. 120000 _______________ 22. 4.53619 _______________ 20. 5.457 _______________ 23. 43.659 _______________ 21. 0.0008769 _______________ 24. 876493 _______________ Perform the following operations giving the proper number of significant figures in the answer: 25. 23.4 x 14 _______________ 28. 0.005 - 0.0007 _______________ 26. 7.895 + 3.4 _______________ 29. 7.895 / 34 _______________ 27. 0.0945 x 1.47 _______________ 30. 0.2 / 0.0005 _______________ 31. (8.71 x 0.0301)/0.056 = _______________ 32. (7.6 x 104) (5.823 x 10-3) =_______________ 33. (4 x 972) + (76.4 x 29.3) (12 x 7) = 34. (72.67 72.63) x (4.2694) = (9.72 + 0.01) 35. 4.1 x 10-3 6.9 x 10-2 = 36. 10,000,000 x 0.0003845 x 4.55 = 7.2 x 10-6 + 8.943 x 104 4.331 x 10-6 Write each number in scientific notation. 0.07882 =0.00002786 =87200 =74171.7 =450=118000 =0.0000085 =0.000000664 =0.00000272338 =770 =62360 =0.000044547300 =500260 =0.0000087038 = Write each number in standard format. 3.443 10-7 =7.75763 10-7 =5.8 10-7 =1.525 106 =6.58157 107 =5.1821 10-4 =1.21 10-7 =5.2314 10-7 =7.141 10-5 =5.256 106 =  2 N p q r t  ߸o^oNNhN]hN]5H*OJQJ^J!hN]hN]5>*H*OJQJ^J!hN]hN]5>*H*OJQJ^JhN]hN]OJQJ^JhN]5>*OJQJ^JhN]hN]5>*OJQJ^JhN]hN]5OJQJ^JhN]5OJQJ^JhN]hi5H*OJQJ^JhN]hi5OJQJhN]hi5OJQJ^Jhsf5OJQJh}5OJQJjk  e f  i j k ] ^ _ T dhgd}gd}$a$gd|ZT Z p q !",9 & F xx$5$9DIfgd#[5$9DgdsfdhgdN] gdN]dhgd} !"  "#&'34BDGHQTacfʿrbrbrUrbrbrUrbrbrUrbrbrh#[hiOJQJ^Jh#[hi5H*OJQJ^Jh#[hi5OJQJ^JhhiOJQJ^Jh|Zhi5OJQJ^JhN]5OJQJ^Jhsf5OJQJ^Jh#[ht.%5OJQJ^Jht.%5OJQJ^Jhsfhsf5OJQJ^JhN]h}CJH*hN]hN]5OJQJ^JhN]hN]5H*OJQJ^J!9:BLpp & F xx$5$9DIfgd#[{kd$$Ifl0$ t0644 layt#[LMR[pp & F xx$5$9DIfgd#[{kd{$$Ifl0$ t0644 layt#[[\hvpp & F xx$5$9DIfgd#[{kd$$Ifl0$ t0644 layt#[vwpp & F xx$5$9DIfgd#[{kdq$$Ifl0$ t0644 layt#[pp & F xx$5$9DIfgd#[{kd$$Ifl0$ t0644 layt#[pp & F xx$5$9DIfgd#[{kdg$$Ifl0$ t0644 layt#[ ||tt`` & Fxx$5$9DIfgd#[5$9Dgdi5$9Dgdsf{kd$$Ifl0$ t0644 layt#[  &pp & Fxx$5$9DIfgd#[{kd]$$Ifl0H$ t0644 layt#[&'7Gpp & Fxx$5$9DIfgd#[{kd$$Ifl0H$ t0644 layt#[GHVfpp & Fxx$5$9DIfgd#[{kdG$$Ifl0H$ t0644 layt#[fgvpp & Fxx$5$9DIfgd#[{kd$$Ifl0H$ t0644 layt#[fgqsht.%h@ 5hN]5OJQJhi5OJQJh}5OJQJhsf5OJQJ^Jh#[hi5H*OJQJ^Jh#[hi5OJQJ^Jh#[hiOJQJ^J |tooooooooogd}5$9Dgd]75$9Dgdsf{kd1$$Ifl0H$ t0644 layt#[ gd}gd}2P/ =!"#$% Dpy$$If!vh#v~#v:V l t065yt#[y$$If!vh#v~#v:V l t065yt#[y$$If!vh#v~#v:V l t065yt#[y$$If!vh#v~#v:V l t065yt#[y$$If!vh#v~#v:V l t065yt#[y$$If!vh#v~#v:V l t065yt#[y$$If!vh#v~#v:V l t065yt#[s$$If!vh#v:V l t065yt#[s$$If!vh#v:V l t065yt#[s$$If!vh#v:V l t065yt#[s$$If!vh#v:V l t065yt#[s$$If!vh#v:V l t065yt#[^ 2 0@P`p2( 0@P`p 0@P`p 0@P`p 0@P`p 0@P`p 0@P`p8XV~_HmH nH sH tH P`P }Normal5$7$8$9DH$OJQJ_HmH sH tH DA D Default Paragraph FontRi@R  Table Normal4 l4a (k (No List zz sf Table Grid7:V05$7$8$9DH$PK![Content_Types].xmlN0EH-J@%ǎǢ|ș$زULTB l,3;rØJB+$G]7O٭V$ !)O^rC$y@/yH*񄴽)޵߻UDb`}"qۋJחX^)I`nEp)liV[]1M<OP6r=zgbIguSebORD۫qu gZo~ٺlAplxpT0+[}`jzAV2Fi@qv֬5\|ʜ̭NleXdsjcs7f W+Ն7`g ȘJj|h(KD- dXiJ؇(x$( :;˹! I_TS 1?E??ZBΪmU/?~xY'y5g&΋/ɋ>GMGeD3Vq%'#q$8K)fw9:ĵ x}rxwr:\TZaG*y8IjbRc|XŻǿI u3KGnD1NIBs RuK>V.EL+M2#'fi ~V vl{u8zH *:(W☕ ~JTe\O*tHGHY}KNP*ݾ˦TѼ9/#A7qZ$*c?qUnwN%Oi4 =3N)cbJ uV4(Tn 7_?m-ٛ{UBwznʜ"Z xJZp; {/<P;,)''KQk5qpN8KGbe Sd̛\17 pa>SR! 3K4'+rzQ TTIIvt]Kc⫲K#v5+|D~O@%\w_nN[L9KqgVhn R!y+Un;*&/HrT >>\ t=.Tġ S; Z~!P9giCڧ!# B,;X=ۻ,I2UWV9$lk=Aj;{AP79|s*Y;̠[MCۿhf]o{oY=1kyVV5E8Vk+֜\80X4D)!!?*|fv u"xA@T_q64)kڬuV7 t '%;i9s9x,ڎ-45xd8?ǘd/Y|t &LILJ`& -Gt/PK! ѐ'theme/theme/_rels/themeManager.xml.relsM 0wooӺ&݈Э5 6?$Q ,.aic21h:qm@RN;d`o7gK(M&$R(.1r'JЊT8V"AȻHu}|$b{P8g/]QAsم(#L[PK-![Content_Types].xmlPK-!֧6 0_rels/.relsPK-!kytheme/theme/themeManager.xmlPK-!0C)theme/theme/theme1.xmlPK-! ѐ' theme/theme/_rels/themeManager.xml.relsPK] 6 f T 9L[v &Gf 8@0(  B S  ?8O:T6>Zc'+33333333333333"uXCd;^ Xaz_ u W{@ fǴXNt4Qjn&Q9^"o1t4Q3|1w"2 Ae3f$"s'I7nb7$bR;[AX?ƃr$F0w?Gt/R&r[yUbtVC qDzrO}  88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.& 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.h 88^8`hH.h ^`hH.h  L ^ `LhH.h   ^ `hH.h xx^x`hH.h HLH^H`LhH.h ^`hH.h ^`hH.h L^`LhH. 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH./ ^`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.- 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.h 88^8`o(hH.h ^`hH.h  L ^ `LhH.h   ^ `hH.h xx^x`hH.h HLH^H`LhH.h ^`hH.h ^`hH.h L^`LhH./ ^`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.^`o(. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH. 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH. ^`o(hH. pp^p`hH. @ L@ ^@ `LhH. ^`hH. ^`hH. L^`LhH. ^`hH. PP^P`hH.  L ^ `LhH.! ^`o(hH. pp^p`hH. @ L@ ^@ `LhH. ^`hH. ^`hH. L^`LhH. ^`hH. PP^P`hH.  L ^ `LhH. ^`hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.h 88^8`hH.h ^`hH.h  L ^ `LhH.h   ^ `hH.h xx^x`hH.h HLH^H`LhH.h ^`hH.h ^`hH.h L^`LhH./ 88^8`o(hH. ^`hH. L^`LhH. pp^p`hH. @ @ ^@ `hH. L^`LhH. ^`hH. ^`hH. L^`LhH. 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH. 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.- 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.# 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.# 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH. 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.# 88^8`o(hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. L^`LhH. ^`hH. ^`hH. PLP^P`LhH.h ^`hH.h ^`hH.h pLp^p`LhH.h @ @ ^@ `hH.h ^`hH.h L^`LhH.h ^`hH.h ^`hH.h PLP^P`LhH.O}3|1 u uXr qr[yUw"2V;^ ?Gs'I77QR;$F{@ jnAe3/R"o1XNAX?[8g        *                          Tm                FO{                 TOd        `                 ؂                ֐Z        ֐Z                 <@ t.%{d%i)*]71Z|Z#[sfs#l N]5K :iG}@@UnknownG*Ax Times New Roman5Symbol3. *Cx ArialWTms RmnTimes New RomanA$BCambria Math"h\U,g\U,g& & !24 3QHP ?}2!xx Significant Digit WorksheetGCCCDVancesh                  Oh+'0Dx    $,4<Significant Digit WorksheetGCCCDNormalVances2Microsoft Office Word@@p>:@p>:&՜.+,0 hp  GCCCD  Significant Digit Worksheet Title  !"#%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPRSTUVWXZ[\]^_`cRoot Entry FPAYeData 1Table$YWordDocument46SummaryInformation(QDocumentSummaryInformation8YCompObjr  F Microsoft Word 97-2003 Document MSWordDocWord.Document.89q