Question

preciso de ajuda urgente

Answer 1

R: 5

$\sqrt[20]{ {3}^{4} } = \sqrt[x]{3} \\ {3}^{ \frac{4}{20} } = {3}^{ \frac{1}{x} } \\ \frac{4}{20} = \frac{1}{x} \\ 4x = 20 \\ x = 20 \div 4 \\ x = 5$