Question

QUESTION 1 A. Change each of the following to scientific notation: 1. 0.000147 = 6.0.543 = 2. 648 = 7. 1.64= 3. 0.00343 = 8. 833= 4. 7530 = 9. 200.0 x 102 = 5.71,200 = 10. 0.014 x 102 = B. Change each of the following from scientific notation to standard decimal notation: 1.1.76 x 102 = 6. 1.6 x 100 = 2. 4.27 x 10-3 = 7. 9.85 x 10-6 = 3. 9.85 x 10-2 = 8. 3.49 x 101 = 4. 5.52 x 103 = 9.2.17 x 101 = 5. 7.88 x 100 = 10. 1.35 x 10-5 = C. Determine the number of significant digits in each of the following: 1. 0.12090 mm = 4.43.07 cm 2. 0.0067 5.26.509 cm = 3. 2500 m = 6.0.20010g = D. Round each of the following to 3 significant figures: 1.707.5 = 2.2,300.2 = 3. 0.0003350 = 4.10.26730 - E. Carry out the following operations to the proper number of significant figures: 1. 221.45 + 56.1 = 2. 89.001 - 25 = 3. 12.5 4000 = 4. 72.35 3.56 = 5. (23.456 + 87.1) (78.44 - 21.3) =

Answer 1

SVESTION A. change to scientific Notation: 1-4 0.000147 0 ХТО 1.47 こ x 102 6.48 648 2 3.43 X lo 1 3 O 00343 7.53 x 103 753 0 7.12 71,200 x 104 1 0.543 5.43 X 10 1.64 x 10 1.64 2 8.33 X 10 - 833 8 9 2 - x 10 200.0 2.00 x 10 2 1.4 x 10 2 10 0.014 x 10 CS Scanned with CamScanner

scientific to Std Deimal B. Nahrt 2 O 176 1.76 X10 ul -3 1o 0.00427 > 4.27 X 10 2 0.0985 1 3 9.85 Xl 3 552 13 5.52 x 10 o 7.88 15 7.88 x 10 13 0 1,6 1.6 x x 10 - 6 9.85 x 10 0.0000 0 985 Cl 34.9 x 10 8 3.49 10' 21.7 - Х 2:17 9 کے 0.0000 135 - TO 1.35 x 10 CS Scanned with CamScanner

©. O 22 1. 45 + 56.) 278 89.001-25 l) 2 64 50 OOO 1 3 258 = (12. 5) (4000) 0 (72.35) (3.56) B (23.456 + 87.1) (18.44-21.3) 3 6.32 x 10 x 103 > CS Scanned with CamScanner

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