Concept explainers
Express the number 0.000042 in scientific notation.
a.
b.
c.
d.
Interpretation: The number
Concept Introduction: Scientific notations are used to express too big and too small numbers in a decimal form for better representation of the number. It simplifies the calculations. According to this notation, all numbers are expressed in the following manner:
Here,
Answer to Problem 1SAQ
Correct answer: The given number
Explanation of Solution
Reason for correct option:
The given number is
Thus, it is written as
Reasons for incorrect options:
The number
The number
The number
Want to see more full solutions like this?
Chapter 2 Solutions
INTRODUCTORY CHEMISTRY-W/MOD.MASTERING.
Additional Science Textbook Solutions
Chemistry: The Central Science (13th Edition)
Chemistry (7th Edition)
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition) - Standalone book
Chemistry: Structure and Properties
Chemistry: Structure and Properties (2nd Edition)
- Carry out the indicated temperature conversions. 153 °F to kelvins 153 °C to kelvins 555 °C to Fahrenheit degrees 24 °F to Celsius degreesarrow_forwardAn aquarium has a rectangular cross section that is 47.8 in. by 12.5 in.; it is 19.5 in. high. How many U.S gallons does the aquarium contain? One U.S. gallon equals exactly 231 in3.arrow_forward1.47 A student weighs 10 quarters and finds that their total mass is 56.63 grams. What should she report as the average mass of quarter based on her data?arrow_forward
- Consider multiplying “26.2” by “16.43.” What would a mathematician say the answer is? What would a scientist say? Justify the scientist’s answer, not merely citing the rule, hut explaining it.arrow_forwardA spherical tank has a radius of 175.0 in. Calculate the volume of the tank in cubic inches; then convert this to Imperial gallons. The volume of a sphere is (4/3) r3, where r is the radius. One Imperial gallon equals 277.4 in3.arrow_forwardAir is 21% oxygen by volume. Oxygen has a density of 1.31 g/L. What is the volume, in liters, of a room that holds enough air to contain 55 kg of oxygen?arrow_forward
- Secretariat is known as the horse with the fastest run in the Kentucky Derby. If Secretariat’s record 1.25-mi run lasted 1 minute 59.2 seconds. What was his average speed in m/s?arrow_forwardEthanol has a density of 0.789 g/cm3. What volume must be poured into a graduated cylinder to give 19.8 g of alcohol.arrow_forward(4.8 x 10-14 ) (2.0 x 109) in scientific notationarrow_forward
- Convert the following numbers into scientific notation.:(Eg. 852300 = 8.523 ∙ 105)a) 0.0005698b) 123000c) 850000000d) 695.369arrow_forwardA. Type the number 1340000 in scientific notation. B. Type the number 0.000354 in scientific notation. C. Type the number 3.14×103 in standard notation.arrow_forward
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningIntroductory Chemistry: A FoundationChemistryISBN:9781337399425Author: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 Learning