standard_description: For exponential models, express as a logarithm the solution to ab^(ct) = d where a, c, and d are numbers and the base b is 2, 10, or e; evaluate the logarithm using technology.
problem_activity: Show that
$${\mathrm{log}_{100}x={{\mathrm{log}x}\over{2}}}$$
.


aligns: yes