Question

Quanto é:  2 elevado a x = 7

Answer 1

$2^x=7 \\ \\ log2^x=log7 \\ \\ xlog2=log7 \\ \\ \boxed{x=\frac{log7}{log2}} \\ \\ obs: \\ \\ \frac{log7}{log2 } \approx 2,8$