Question
Calculate the value
151+log2(5)
Alternative Form
≈0.221462
Evaluate
30ln(21)ln(1001)
Simplify
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Evaluate
ln(1001)
Write the number in exponential form with the base of 10
ln(10−2)
Calculate
−2ln(10)
30ln(21)−2ln(10)
Simplify
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Evaluate
ln(21)
Write the number in exponential form with the base of 2
ln(2−1)
Rewrite the logarithm
−ln(2)
30−ln(2)−2ln(10)
Divide the terms
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Evaluate
−ln(2)−2ln(10)
Use the logarithm base change rule
−2(−log2(10))
Rewrite the expression
2log2(10)
302log2(10)
Cancel out the common factor 2
15log2(10)
Solution
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Evaluate
log2(10)
Use loga(x×y)=loga(x)+loga(y) to transform the expression
log2(2)+log2(5)
Use logaan=n to simplify the expression
1+log2(5)
151+log2(5)
Alternative Form
≈0.221462
Show Solution
