What are some numbers not in scientific notation?

What is the y intercept of f(x)=(1/2)^x?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Me : julio wears a blue shirt every 3 days. larry wears a blue shirt every 4 days. on april 11, both julio and larry wore a blue shirt. what is the next date that they will both wear a blue shirt?