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Chapter 9: Problem 2

Fill in the blanks. Base-10 logarithms are called _____ logarithms.

Short Answer

Expert verified
Base-10 logarithms are called common logarithms.

Step by step solution

01

Understanding Logarithms

Logarithms are a way to express exponents. In base-10 logarithms, we are looking for the power to which 10 must be raised to get a particular number.
02

Identifying the Specific Name

Base-10 logarithms have a specific name in mathematics. They are often referred to using a particular term because the base is 10.
03

Filling the Blank with the Correct Term

Base-10 logarithms are known as "common" logarithms. This term is used because base-10 is often used in everyday calculations and science.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Base-10 Logarithms
When we talk about base-10 logarithms, we are dealing with a specific kind of logarithm that uses 10 as its base. In simpler terms, a base-10 logarithm asks the question: "What power do we need to raise 10 to, in order to get a certain number?" For example, if we want to find the logarithm base-10 of 100, we are actually looking for the exponent that makes 10 raised to it equal to 100. In mathematical terms, this is written as \(\log_{10}(100)\) and the answer is 2, because 10 raised to the power of 2 equals 100. This is a basic principle of base-10 logarithms and shows how logarithms transform multiplication into addition, greatly simplifying calculations.
Common Logarithms
Common logarithms are simply base-10 logarithms, and they get their name from their frequent use in common calculations. Because we use the decimal system in most everyday scenarios, base-10 is naturally easier to work with.
  • If a logarithm is written without a specified base, it's typically assumed to be base-10.
  • Common logarithms have many practical applications such as in engineering, scientific notation, and even in calculating the pH of a solution in chemistry.
Using common logarithms helps to avoid cumbersome calculations because it naturally aligns with our everyday counting system. This is why the term "common" is quite appropriate, emphasizing how they are integrated into routine computation.
Mathematics
Mathematics, at its core, is a way of understanding and describing the world through numbers and abstract concepts. Logarithms, including base-10 or common logarithms, are just one of many tools that mathematicians and scientists use to solve real-world problems.
  • Logarithms convert multiplicative relationships into additive ones, which can make calculations and understanding properties of growth rates far simpler.
  • They also play significant roles in various mathematical fields including algebra, calculus, and functions.
Learning about logarithms and other mathematical concepts equips us with a versatile toolkit, allowing us to handle complex equations and understand the natural phenomena that govern our lives. Mathematics is truly the language through which we communicate the intricacies of the universe.

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