Table of contents

0. Review of Algebra4h 16m
1. Equations & Inequalities3h 18m
2. Graphs of Equations43m
3. Functions2h 17m
4. Polynomial Functions1h 44m
5. Rational Functions1h 23m
6. Exponential & Logarithmic Functions2h 28m
7. Systems of Equations & Matrices4h 6m
8. Conic Sections2h 23m
9. Sequences, Series, & Induction1h 19m
10. Combinatorics & Probability1h 45m

0. Review of Algebra

Exponents

College Algebra

0. Review of Algebra

Exponents

0:48 minutes

Problem 95c

Textbook Question

Add or subtract as indicated. 28.73 - 3.12

Name: Exponents and Scientific Notation (RS)
Uploaded: 2022-07-23T00:00:00.000Z
Duration: 48 s
Description: Watch the video explanation for the concept: Exponents and Scientific Notation (RS)

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Key Concepts

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

Decimal Operations

Decimal operations involve performing arithmetic calculations with numbers that have decimal points. In this case, subtraction is the operation being performed. Understanding how to align decimal points and manage place values is crucial for accurate calculations.

Place Value

Place value refers to the value of a digit based on its position within a number. In decimal numbers, each position represents a power of ten, which is essential for correctly performing operations like addition and subtraction. Recognizing the significance of tenths, hundredths, and so on helps in maintaining accuracy.

Rounding and Estimation

Rounding and estimation are techniques used to simplify calculations or to check the reasonableness of an answer. While not directly required for the operation in this question, understanding these concepts can help students verify their results and develop a sense of numerical accuracy.