22-SF-Ans

22-SF-Ans - _____4____ : 7.043 7) _____3_____: 6,640 _____...

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GCHEM I SIGNIFICANT FIGURES LAB CONCEPT PROBLEM ANSWERS RULES FOR DETERMINING SIGNIFICANT FIGURES 1) Non-Zero Numbers: Significant Ex: 12. .45 cms [4 S/F] 2) Leading Zeros: Not Significant Ex: 0.00345 [3 S/F] 3) Captive Zeros: Zeros Significant Ex: 304.06 liters [5 S/F] 4a) Trailing Zeros w/decimal Zeros Significant Ex: 20.00 mls [4 S/F] 4b) Trailing Zeros w/o decimal Zeros Not Significant Ex: 2,500 grams [2 S/F] 5) Scientific Notation All Digits Significant Ex: 2.99 x 10 +8 m/sec [3 S/F] (A) SIG FIGURES (B) SIG FIGURES (C) SIG FIGURES 1) _____ 3 _____ : 0 . 00101 _____5____ : 1203.0 _____5____ : 12.000 2) _____4_____: 12.00 _____ 5 ____ : 5100.0 _____ 5 ____ : 13001 3) _____2_____: 1100 _____2____ : 1.2 * 10 -3 ____1_____ : -3000 4) _____ 3 _____: 1.01*10 2 _____ 5 ____ : 18,123 _____4____ : .005601 5) _____3_____: – 0.00123 _____6____ : 10034.0 _____ 5 ____ : -20010. 6) _____ 3 _____: – 0.00145 ______4___ : 6.023*10 23
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Unformatted text preview: _____4____ : 7.043 7) _____3_____: 6,640 _____ 5 ____ : 21,001 _____4____: -.01006 8) _____ 1 _____: 10,000 _____ 2 ____ : 0.0021 _____5____: 19.765 9) _____3_____ : 6.71*10 8 _____4____ : 0.05012 _____ 5 ____: -300.00 10) _____ 1 _____ : 0.00006 _____ 3 ____ : 10.2*10-4 _____3____: -.0901 11) _____5_____ : 32,401 _____3____ : 401. _____ 4 ____: 23,540 12) _____4_____ : 0.001234 _____ 5 ____ : 198.01 _____3____: -.00802 13) _____ 5 _____ : 0.70101 _____5____ : 10,982 _____ 2 ____: 1.1*10-9 14) _____4____ : 1.204*10-1 ____ 5 _____ : 198.01 _____6_____: 98.0450 15) _____4_____ : 1.203 _____3____ : 0.0104 _____2_____: 1.8 * 10-6 16) _____ 3 _____ : 10,900 ____3_____ : 4.12*10 6 _____ 5 ____: -1.2340 17) _____ 3 _____: 0.0101 _____ 5 ____ : 12.105 _____4_____: 4.214 * 10 6 Jpechunf12/2005...
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