1. 8.5 laws of logs.notebook February 05, 2013
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2. 8.5 laws of logs.notebook February 05, 2013
Laws of Logarithms.
log MN = log M + log N
b b b
log = logM ­ log N
M b b
N
log M = k log M
b
k
b
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3. 8.5 laws of logs.notebook February 05, 2013
Use log72 ≈ 0.356 and log75 ≈ 0.827 to find the value
of the expression to the nearest thousandth.
log 2
75
log 10
7
log725
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4. 8.5 laws of logs.notebook February 05, 2013
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5. 8.5 laws of logs.notebook February 05, 2013
Expand the expression.
2 log7 3x
log45x
y
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6. 8.5 laws of logs.notebook February 05, 2013
Condense the expression.
log 16 ­ 2 log 2 3 log 5 + log 4
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