Concept explainers
(a)
Interpretation : To convert the given number 0.0008917 to standard scientific notation.
Concept Introduction : Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
(a)
Answer to Problem 14CR
Explanation of Solution
In order to convert numbers to scientific notation, we must follow the following rules:
Use a single number before the decimal point. All other numbers will be placed after the decimal point.
The basis of expression will be the 10th power. The powers can be any integer number.
The given number:
Must be converted, so select the first number, ensure the power is correct.
(b)
Interpretation : To convert the given number
Concept Introduction : Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
(b)
Answer to Problem 14CR
Explanation of Solution
In order to convert expressions in scientific notation to ordinary decimal notation, we must follow the following rules:
Multiply the given power to the base number.
When multiplied, we get a decimal number, typically larger than the original expression.
(c)
Interpretation : To convert the given number
Concept Introduction : Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
(c)
Answer to Problem 14CR
Explanation of Solution
In order to convert expressions in scientific notation to ordinary decimal notation, we must follow the following rules:
Multiply the given power to the base number.
When multiplied, we get a decimal number, typically larger than the original expression.
(d)
Interpretation : To convert the given number 85,100,000 to standard scientific notation.
Concept Introduction : Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
(d)
Answer to Problem 14CR
Explanation of Solution
In order to convert numbers to scientific notation, we must follow the following rules:
Use a single number before the decimal point. All other numbers will be placed after the decimal point.
The basis of expression will be the 10th power. The powers can be any integer number.
The given number:
Must be converted, so select the first number, ensure the power is correct.
Thus, the scientific notation is
(e)
Interpretation : To convert the given calculation
Concept Introduction : Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
(e)
Answer to Problem 14CR
Explanation of Solution
In order to convert numbers to scientific notation, we must follow the following rules:
Use a single number before the decimal point. All other numbers will be placed after the decimal point.
The basis of expression will be the 10th power. The powers can be any integer number.
For a multiplication or division, significant figures rules must be followed.
The total amount of significant figures in the final result must be equal to the least amount of significant figures in the numbers multiplied or divided.
From the first number, 4 significant figures
From the second number, 4 significant figures.
Then, 4 significant figures must be kept.
The given number:
Calculate the basis numbers
Multiply the powers:
The tenth base:
Thus, the number becomes 121.863
Keep only 4 significant numbers 121.863, bold digitmust be rounded up. Since, it is followed by digit 6 which is greater than 5, the digit 8 is rounded up to 9. The number becomes 121.9.
Thus, the scientific figure will be
(f)
Interpretation : To convert the given calculation to standard scientific notation.
Concept Introduction : Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
(f)
Answer to Problem 14CR
Explanation of Solution
In order to convert numbers to scientific notation, we must follow the following rules:
Use a single number before the decimal point. All other numbers will be placed after the decimal point.
The basis of expression will be the 10th power. The powers can be any integer number.
For a multiplication or division, significant figures rules must be followed.
The total amount of significant figures in the final result must be equal to the least amount of significant figures in the numbers multiplied or divided.
From the first number, 4 significant figures.
From the second number, 4 significant figures.
Then, significant figures must be kept.
The given number:
Calculate the basis numbers
Dividing the powers:
The tenth base:
Keep only 4 significant numbers
Final expression
Thus, the scientific notation will be
Want to see more full solutions like this?
Chapter 3 Solutions
Introductory Chemistry: A Foundation
- Providing no reaction occurs, a solid will float on any liquid that is more dense than it is. The volume of a piece of calcite weighing 35.6 g is 12.9 cm3. On which of the following liquids will the calcite float: carbon tetrachloride (density = 1.60 g/cm3), methylene bromide (density = 2.50 g/cm3), tetrabromoethane (density = 2.96 g/cm3), or methylene iodide (density = 3.33 g/cm3)?arrow_forwardOne year of world production of gold was 49.6 106 troy ounces. One troy ounce equals 31.10 g. What was the world production of gold in metric tons (106 g) for that year?arrow_forwardAn aluminum alloy used in the construction of aircraft wings has a density of 2.70 g/cm3. Express this density in SI units (kg/m3).arrow_forward
- 1.39 Make the following metric conversions: (a)964 mLto L (b)275 mm to cm (c) 45.7 kg to g (d) 475 cm to m (e)21.64 cc to mL (f) 3.29 L to cc (g)0.044 L to mL (h)711 g to kg (1) 63.7 mL to cc (j) 0.073 kg to mg (k) 83.4 m to mm (1) 361 mg to garrow_forwardSI Units and Prefixes Show mathematically that 1 mL = 1 cm3.arrow_forwardComplete the following table. Be sure each of your answer entries has the correct number of significant digits. food cal a cup of chicken noodle soup 7.50 x 10 energy content when eaten kcal Омо kJ ☐ an ounce of breakfast corn flakes П 110. a slice of cooked bacon П П 151.arrow_forward
- I don't understand the wording. The least significant digit means the last digit? 7.700 X 2.1 = 16.17 would the uncertainty be 0.01 ? 2.132 + 17 + 4.04 = 23.172 would the uncertainty be 0.001 ?arrow_forward13. The speed of a particular automobile is 45 mph (miles per hour). Use the following relationships to calculate the value in units of km/s (kilometers per second). 1 km = 0.62 mi 1 h = 60 min 60 s = 1 min %3D 14 Na me the following ooidle ond h0808 ond idontifu on iarrow_forwardDo not give handwriting solution.arrow_forward
- Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. 20.9 cm X 12. cm = 641.8 mol 59.25 L = 20.9 cm x 23. cm = || cm 2 mol L cm 2 x10 X Śarrow_forwardDecide whether each proposed multiplication or division of measurements is possible. If it is possible, write the result in the last column of the table.arrow_forwardMultiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. 2 78.08 cm x 38. cm = 3.0 x 10 cm 20.9476 mol L Explanation - x 47. L = mol 451.5 m + 51.4 s = Check ES m 0- 10 X © 2023 McGraw Hill LLC. All Rights Reservedarrow_forward
- Introductory Chemistry: A FoundationChemistryISBN:9781285199030Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningPrinciples of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage LearningIntroductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning