Interpretation:
How to express the number
Concept Introduction:
In scientific work, large and very small numbers occurs frequently. But it is been observed that, to record these vast numbers or very small numbers is difficult because, the numbers may get missed while recording them. It is time consuming and the possibilities of error occurrence are also high. Hence to overcome these demerits, a method called scientific notation is used. In this method the numbers are expressed in form of “
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General, Organic, and Biological Chemistry
- Answer Sp x 101 Chem101 Question 19 of 19 A geriatric patient is prescribed 20.0 mg/day for Alzheimer's disease. Memantine pills are available in 5.00 mg/capsule . How many capsules should the patient be taking over 14 days ? ADD FACTOR ANSWER RESET *( ) 20.0 800 56.0 5.00 2.00 0.01 0.001 100 80.0 200 0.1 7.10 1 14 3.50 4.00 10.0 1000 g Memantine mg/day capsules mg/capsule mg Memantine days DELLarrow_forwardA student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. 4. -6.0 x 10 D- ? x10 2 ha Alb Pro Explanation Check 10 tv escarrow_forwardSTARTING AMOUNT + X 7.6 ADD FACTOR x( ) (1)³ (100)³ Convert 7.6 cm³ to m³ 7.6 x 10-6 7.6 x 10-4 cm 1000 0.1 cm³ ANSWER (0.1)³ 100 m³ 1 (1000)³ m RESET J 0.01 (0.01)³ 0.076arrow_forward
- The density of table sugar is 1.59 g/mL. It is true that... A.2.00 g of table sugar occupies a volume of 1.17 mL B. 5.00 g of table sugar occupies a volume of 3.14 mL C. No correct response D. 3.00 g of table sugar occupies a volume of 1.97arrow_forwardTV [Review Te Use the References to access It is often necessary to do calculations using scientific each of the following calculations. 4.94 x 105 +6.77 × 10-4 Visited 7.84 x 10³ +4.94 × 105 2.86 × 10-4 8.30 × 10-5 (4.94 x 105) (6.77 × 10-4) Submit Answer 11 Retry Entire Group 9 more group attemptsarrow_forwardPeople Tab Window Help ubmission History: 2. X 101 Chem101 E AWR prep 5 Google Docs Question 15 of 17 An atom of a particular element has a volume of 7.8 x 10-31 m3 What is this volume in cubic nanometers ? ADD FACTOR ANSWER RESET *( ) %3D 10° 10-6 (10-6)3 7.8 x 10 22 (10°)a (1)3 106 7.8 x 10 31 7.8 x 10-4 1 10-9 7.8 x 104 (10°)a nm nm3 um m3 um3 FEB 6. 3. tvarrow_forward
- D Question 2 What is the best answer for the following calculation: (1003.5 x 10¹³) (9.9853 x 10¹5) O 5.x 1013 5.0 x 1013 O 4.970 x 1013 1013 O 4.9700 x 13 O 4.97 x 10¹arrow_forwardEntered -1.72 9.53 Answer Preview At least one of the answers above is NOT correct. -1.72 9.53 Result (b) When will the thermometer read -11°C? 9.53 minutes after it was taken to the outdoors. incorrect correct A thermometer is taken from a room where the temperature is 18°C to the outdoors, where the temperature is -12°C. After one minute the thermometer reads 9°C. (a) What will the reading on the thermometer be after 3 more minutes? -1.72arrow_forwardmy.CC x Question 17 of 25 mL What is the volume of the cube in in A puzzle cube has a volume of 187 in3 11.4 in3 ADD FACTOR ANSWER RESET *( ) 1 100 3060 2.54 0.01 29.0 (2.54) (0.01) 12 (12) 1210 (100) 187 11.4 475 cm in cm ml in IIarrow_forward
- Rounding Off Initial Number Student’s Rounded Value 1. Correct? (yes/no) 2. Corrected (if needed) 143.63212 144 532 800 533 0.008 583 45 0.009 8 8.00 Significant Figures in Calculations Multiplication and Division Perform the following multiplication and division calculations. Give a final answer with the correct number of significant figures: 0.1184 ´ 8.00 ´ 0.0345 (42.4)(15.6) 1.265 (35.56)(1.45) (4.8)(0.56) Addition and Subtraction Perform the following addition and subtraction calculations. Give a final answer with the correct number of decimal places. 13.45 mL + 0.4552 mL 145.5 m + 86.58 m + 1045 m 245.625 g – 80.2 g 4.62 cm – 0.885 cm…arrow_forwardExercise 2.3 Give the answer for each calculation to the correct number of significant figures. 12.60.53 (12.60.53)4.59 (25.364.15)2.317arrow_forwardKnowledge Check A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. Note: your answer should be in the form of one or more fractions multiplied together. 0.040 H2) 0 - - - 2 mL x10 ロ・ロ X μarrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning