Consider the equation $2^{9x-4}=90$29x−4=90.
Make $x$x the subject of the equation.
Evaluate $x$x to three decimal places.
Which of the following is a good estimate for the value of $x$x, if $3^x=29$3x=29?
Which of the following is a good estimate for the value of $x$x, if $2^x=\frac{1}{13}$2x=113?
Consider the equation $13^x=5$13x=5.