Pregunta
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. \( \log 125+\log 8 \) \( \log 125+\log 8=\square \) (Simplify your answer.)
Ask by Stewart Mills. in the United States
Mar 21,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
\[
\log 125 + \log 8 = \log 1000 = 3
\]
Solución
We start with the expression:
\[
\log 125 + \log 8
\]
**Step 1. Apply the Product Rule**
The product rule for logarithms states that:
\[
\log a + \log b = \log (ab)
\]
Thus,
\[
\log 125 + \log 8 = \log (125 \times 8)
\]
**Step 2. Multiply the Arguments**
Calculate:
\[
125 \times 8 = 1000
\]
So, the expression becomes:
\[
\log (125 \times 8) = \log 1000
\]
**Step 3. Evaluate the Logarithm (if possible)**
If the logarithm is assumed to be base \(10\), then:
\[
\log 1000 = 3 \quad \text{since} \quad 10^3 = 1000.
\]
Thus, the final condensed expression is:
\[
\log 125 + \log 8 = \log 1000 = 3
\]
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Como
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Mind Expander
To condense the logarithmic expression, you can use the property that states \(\log a + \log b = \log(ab)\). Therefore, we combine the two logarithms: \[ \log 125 + \log 8 = \log(125 \cdot 8) \] Now, calculate \(125 \cdot 8\): \[ 125 \cdot 8 = 1000 \] Thus, we have: \[ \log 125 + \log 8 = \log 1000 \] Since \(1000 = 10^3\), you can further simplify this: \[ \log 1000 = \log(10^3) = 3 \] So the final answer is: \[ \log 125 + \log 8 = \log 1000 = 3 \] Therefore, \[ \log 125+\log 8=3 \]

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