/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 7 Simplify. \(\log 10^{4}\)... [FREE SOLUTION] | 91Ó°ÊÓ

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Simplify. \(\log 10^{4}\)

Short Answer

Expert verified
The simplified form of \( \log 10^{4} \) is 4.

Step by step solution

01

Understand Logarithm Properties

Recall that the logarithm of a power can be simplified using the property: \( \log_{b}(x^{n}) = n \log_{b}(x) \). In this case, we have \( \log_{10}(10^{4}) \).
02

Apply the Property

Using the property above, simplify \( \log_{10}(10^{4}) \) to \( 4 \log_{10}(10) \).
03

Evaluate the Inner Logarithm

Recognize that \( \log_{10}(10) \) equals 1, because 10 is the base raised to the power of 1.
04

Simplify the Expression

Substitute \( \log_{10}(10) = 1 \) into the expression, so it becomes \( 4 \times 1 \), which simplifies to 4.

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Key Concepts

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

Logarithm Properties
Understanding logarithm properties is essential for simplifying expressions involving logs. One of the key properties of logarithms is known as the "power property". It states that the logarithm of a power can be simplified by bringing the exponent outside as a multiplier. Mathematically, it can be expressed as:
  • \( \log_{b}(x^{n}) = n \log_{b}(x) \)
This property is very useful because it allows us to simplify complex expressions by converting exponents into more manageable forms. Another important property is the logarithm of a product and a quotient, which are less relevant to this particular problem but equally important in more complicated log operations.
For our problem, \( \log_{10}(10^{4}) \), we can directly apply the power property to transform it into \( 4 \log_{10}(10) \). This step essentially uses the property to "bring out" the exponent, making calculations easier.
Exponent Laws
Before diving deeper into logarithms, it's crucial to understand the laws of exponents. Exponents are a shorthand notation for multiplying the same number by itself multiple times, and they have their own set of rules. Some of the most commonly used exponent laws include:
  • \( a^{m} \times a^{n} = a^{m+n} \)
  • \( (a^{m})^{n} = a^{m \times n} \)
  • \( a^{0} = 1 \)
  • \( a^{-n} = \frac{1}{a^{n}} \)
These laws help in recognizing when and how to simplify expressions involving exponents.
In our exercise, learning the relationship between exponents and their respective "undoing" process with logarithms through these laws can make logarithmic operations more intuitive. When \( \log_{10}(10^{4}) \) simplifies to \( 4 \log_{10}(10) \), we use the rules of exponents (specifically \( a^{n} \) where the base is the same as that of the log) to see how it simplifies easily.
Base 10 Logarithms
Base 10 logarithms, also known as "common logarithms", are widely used in mathematics, especially in scientific fields for calculations involving exponentials. The base 10 log is conveniently noted as \( \log \) without the base explicitly mentioned.In our specific example, \( \log_{10}(10^{4}) \), recognizing the base immediately simplifies understanding because \( \log_{10}(10) = 1 \). This is because any positive number raised to the power of 1 is itself. Hence, it becomes easy to see that our expression could reduce to a simple multiplication: \( 4 \times 1 \).
The beauty of base 10 logarithms is their straightforward interpretations and their use in defining decibels, understanding scientific scales, and in solving exponential growth problems. Knowledge of this simplification process is key, especially when calculations require precision and efficiency.

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Most popular questions from this chapter

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