IM Ch 4 End of Unit Practice

Write 10⁴= 10000 in logarithmic form.

• log₁₀ 4 = 10000
• log₁₀₀₀₀ 4 = 10
• log₁₀ 10000 = 4
• log₄ 10000 = 10

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log(1000) has what base?

• 10

• 0

• e

• -e

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Log with a base "e" (log_e) is the same thing as...

• "e"
• Natural Logarithm (LN)
• Common Logarithm (Log)
• Natural Log, base "e"
  LN_e

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The natural logarithm has what base?

• 10
• 0
• e
• -e

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The natural logarithm is represented as what?

• log
• ln

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Rewrite e^x = 9 using a logarithm

• ln x = 9

• ln 9 = x

• log_x e = 9

• log₉ x = e

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Rewrite in exponential form:
ln(2) = x

• 2^x = 10
• 10² = x
• e^x = 2
• e² = x

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log 1000 = x

• x = 2

• x = 3

• x = 4

• x = 1

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log 1 = x

• x = 2

• x = 3

• x = 4

• x = 0

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log (1/100) = x

• x = 3

• x = -3

• x = -2

• x = 2