IMathAS-libretexts

Solve correct to 2 decimal places.

$\displaystyle {4}^{{{5}{x}-{4}}}={28}$

$\displaystyle {x}=$

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Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Your answer should be accurate to at least 2 decimal places.