ࡱ> 352'` bjbj{P{P 7::N N N N Z  z z z z z UUUsuuuuuu$h*-UUUUUz z U"z z sUs)z n kN ws0 !A))&O$UUUUUUUUUU UUUU   Significant Figures and Rounding Measurements Name ______________ 1. Round off each of the following numbers to three significant figures a. 15.9994 b. 1.0080 c. 0.6654 d. 4885 e. 87,550 f. 0.027225 2. Put the following numbers into scientific notation and write down the number of significant digits in each: a. 0.225 b. 2.5 c. 44,163 d. 20,190 e. 0.00000000000991 f. 7,000 3. How many significant figures are in each of the following numbers? a. 225.0 b. 1000.0 c. 0.0003210 d. 0.0067 e. 1,000,000. f. 2.00001 4. Perform the indicated arithmetic operations, and round the results to the appropriate number of significant digits. a. 77.981 x 2.33 = ____________ b. 4 x 0.0665 = ____________ c.17.34+ 4.900 + 23.1= ____________ d. 9.80 4.762 = ____________ e. 3.9 X 6.05 X 420 = ____________ f. 14.1 / 5 = ____________ g. 1001 + 16.23 = ____________ h. 424.5 + 2.8461= ____________ i. 9.9 9.54= ____________ j. 7.3778 0.000265= ____________ k. 8.561 x 109 6.21 x 1010= ____________ l. (24.358)(6.4)= ____________ m. 48.6(0.6959)= ____________ n. 23081 / 0.8981= ____________ o. (6.0821023)(5.010-3)= ____________ p. (9.9104) + (1.273 102)= ____________ 5. Express the following fractions in decimal from to 2 significant digits. a. b. 2/3 c. 5/3 d. 13/5 6. A container holds 32.8 qt of water. The following portioGn o { }   $TVZ\rtxz|}~hIbCJaJh"UhIbOJQJ hIbH*hIbhIbCJaJFG/ K ` y  3 4 W {  7$8$H$gdIb 6 _ D:^s~ 7$8$H$gdIbns of water are then added to the container: 0.12 qt, 3.7 qt, and 1.266 qt. What is the new volume of water in the container? 50P:pIb/ =!"#$% @@@ NormalCJ_HaJmH sH tH DAD Default Paragraph FontRiR  Table Normal4 l4a (k(No ListL^@L Ib Normal (Web)dd[$\$ B*phFG/K`y34W{6_*XY{00000000000000000000000000000000000000000000FG/K`y34W{X{0000000000000000000000000 0  0 000000   8@0(  B S  ?/:W_{_`*/{3333333333333333Ky(3{*X8lu F^`.^`.pp^p`.@ @ ^@ `.^`.^`.^`.^`.PP^P`.8lu,M>"Ibz@`Z(P@PP0@UnknownGz Times New Roman5Symbol3& z Arial"qh5&;  !242QHP)?Ib2ESignificant Figures and Rounding Measurements Name ______________testTest Oh+'0, <H h t HSignificant Figures and Rounding Measurements Name ______________testNormalTest3Microsoft Office Word@@F F@ F՜.+,00 hp  MCCSC ' FSignificant Figures and Rounding Measurements Name ______________ Title  !#$%&'()+,-./014Root Entry F@6Data 1TableWordDocument7SummaryInformation("DocumentSummaryInformation8*CompObjq  FMicrosoft Office Word Document MSWordDocWord.Document.89q