Skip to main content
Ch. 4 - Inverse, Exponential, and Logarithmic Functions
Lial - College Algebra 13th Edition
Lial13th EditionCollege AlgebraISBN: 9780136881063당신이 사용하는 게 아니라요?교과서 변경
5장, 문제 55

Find each value. If applicable, give an approximation to four decimal places. ln (27 ×\(\times\) 943)

검증된 단계별 안내
1
Recognize that the problem asks for the natural logarithm of the product \(27 \times 943\), which can be written as \(\ln(27 \times 943)\).
Use the logarithm property that states \(\ln(a \times b) = \ln(a) + \ln(b)\) to rewrite the expression as \(\ln(27) + \ln(943)\).
Calculate or approximate each logarithm separately: find \(\ln(27)\) and \(\ln(943)\) using a calculator or logarithm tables.
Add the two values obtained from the previous step to get the value of \(\ln(27 \times 943)\).
If required, round the final result to four decimal places to provide the approximation.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
1m
도움이 되었나요?

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Natural Logarithm (ln)

The natural logarithm, denoted as ln, is the logarithm to the base e, where e ≈ 2.718. It answers the question: to what power must e be raised to get a given number? Understanding ln is essential for evaluating expressions like ln(27 * 943).
추천 영상:
2:51
The Natural Log

Logarithm Product Rule

The product rule for logarithms states that ln(a * b) = ln(a) + ln(b). This property allows simplification of the logarithm of a product into a sum of logarithms, making calculations easier and more manageable.
추천 영상:
3:49
Product, Quotient, and Power Rules of Logs

Approximation and Rounding

When exact values are difficult to compute, approximations are used. Rounding to four decimal places means limiting the number to four digits after the decimal point, which is important for presenting answers clearly and consistently.
추천 영상:
4:20
Graph Hyperbolas at the Origin