Resposta:
Explicação passo a passo:
Log 7. ⁵√7² = x
7^x = ⁵√7²
7^x = 7^(2/5)
X = 2/5 = 0,4 ✓
[tex]log_{_{7}}\sqrt[5]{7^{2}}=x\\\\7^{x}= \sqrt[5]{7^{2}}\\\\7^{x}=7^{^{\frac{2}{5}}}\\\\x=\frac{2}{5}\\\\x=0,4[/tex]
