# Chapter 6 - Inverse Functions - 6.2* The Natural Logarithmic Functions - 6.2* Exercises: 7

$ln10+2ln5=ln250$

#### Work Step by Step

Use logarithmic properties $ln(pq) = lnp+lnq$, $ln(\frac{p}{q}) = lnp-lnq$ and $ln(p)^{m}= m lnp$. $ln10+2ln5=ln10+ln5^{2}$ $=ln10+ln25$ $=ln(10\times25)$ $=ln250$

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