Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

1. Matter and Measurements

Scientific Notation

GOB Chemistry

1. Matter and Measurements

Scientific Notation

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1:34 minutes

Problem 30d

Textbook Question

Write each of the following in scientific notation:
d. 360 000

Verified step by step guidance

Identify the significant digits in the number. For 360,000, the significant digits are '36'.

Determine the power of 10 needed to express the number in scientific notation. Count the number of places the decimal point would need to move to the left to position it after the first significant digit. In this case, the decimal point moves 5 places.

Write the number in the form

a \times 10^{n}

, where

a

is a number between 1 and 10, and

n

is the power of 10. For 360,000,

a

is 3.6 and

n

is 5.

Combine the significant digits and the power of 10 to express the number in scientific notation. The result is

3.6 \times 10^{5}

Verify the result by converting the scientific notation back to standard form to ensure it matches the original number, 360,000.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Scientific Notation

Scientific notation is a method of expressing numbers that are too large or too small in a compact form. It is typically written as a product of a number between 1 and 10 and a power of ten. For example, the number 360,000 can be expressed as 3.6 x 10^5 in scientific notation.

Significant Figures

Significant figures are the digits in a number that contribute to its precision. In scientific notation, the significant figures are represented in the coefficient (the number between 1 and 10). For 360,000, if we consider it to have three significant figures, it would be written as 3.60 x 10^5.

Powers of Ten

Powers of ten are used in scientific notation to indicate the scale of the number. Each power of ten represents a factor of ten multiplied by itself. For instance, 10^5 means 10 multiplied by itself five times, which equals 100,000, helping to place the decimal point correctly in scientific notation.

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Write each of the following in scientific notation:d. 360 000

Key Concepts

Scientific Notation

Significant Figures

Powers of Ten

Watch next

Write each of the following in scientific notation:
d. 360 000