Math Problem Statement

Estimate the value of each logarithm between two consecutive integers. Then use a calculator to approximate the value to 4 decimal places.

Solution

Let's analyze and correct the issues in the provided calculations.

Part 1 of 6: log293,416\log 293,416

The logarithm estimate of log293,416\log 293,416:

  1. 105=100,00010^5 = 100,000 and 106=1,000,00010^6 = 1,000,000, so 293,416293,416 is between 10510^5 and 10610^6.
    • Hence, log293,416\log 293,416 is between 55 and 66.
  2. Using a calculator: log293,4165.4675\log 293,416 \approx 5.4675 This matches the answer provided.

Part 2 of 6: log1,038,563\log 1,038,563

The logarithm estimate of log1,038,563\log 1,038,563:

  1. 106=1,000,00010^6 = 1,000,000 and 107=10,000,00010^7 = 10,000,000, so 1,038,5631,038,563 is between 10610^6 and 10710^7.
    • Hence, log1,038,563\log 1,038,563 is between 66 and 77.
  2. Using a calculator: log1,038,5636.0167\log 1,038,563 \approx 6.0167 The answer 6.01676.0167 should be correct if it matches this computation.

Part 3 of 6: log0.0565\log 0.0565

The logarithm estimate of log0.0565\log 0.0565:

  1. Since 0.0565=56510,0000.0565 = \frac{565}{10,000}, its magnitude is between 10210^{-2} and 10110^{-1}.
    • Hence, log0.0565\log 0.0565 is between 2-2 and 1-1.
  2. Using a calculator: log0.05651.2477\log 0.0565 \approx -1.2477 The provided answer 1.24771.2477 is incorrect; the correct answer is negative.

Let me know if you need further clarifications or additional assistance! Here are some related questions:


Related Questions:

  1. What is the general relationship between the base-10 logarithm and powers of 10?
  2. How do we compute logarithms for numbers smaller than 1?
  3. Why is the logarithmic scale useful for dealing with large or small numbers?
  4. How can we estimate logarithms without a calculator using interpolation between integer powers of 10?
  5. What is the difference between natural logarithms (ln\ln) and base-10 logarithms (log\log)?

Tip:

Always double-check the sign of logarithms for numbers smaller than 1—these will always be negative!

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Math Problem Analysis

Mathematical Concepts

Logarithms
Estimation
Powers of 10

Formulas

logarithmic estimation using powers of 10

Theorems

Properties of logarithms and powers of 10

Suitable Grade Level

Grades 9-11