24) \( 9 \cdot 5^{2 v}=30 \)
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Bonus Knowledge
To solve the equation \( 9 \cdot 5^{2v} = 30 \), first, simplify it by dividing both sides by 9. This gives you \( 5^{2v} = \frac{30}{9} \). Simplifying the right side results in \( 5^{2v} = \frac{10}{3} \). Next, take the logarithm of both sides. You can use any logarithm (common or natural), but here we'll use the natural logarithm (ln): \( \ln(5^{2v}) = \ln\left(\frac{10}{3}\right) \). Using the power property of logarithms, you can rewrite the left side: \( 2v \cdot \ln(5) = \ln\left(\frac{10}{3}\right) \). Now, solve for \( v \): \( v = \frac{1}{2 \ln(5)} \cdot \ln\left(\frac{10}{3}\right) \). This gives you the value of \( v \) in terms of logarithms. If you want a numerical approximation, you can compute \( v \) using a calculator.