Atrait has two alleles, and their frequencies are represented by p and q. if p = 0.90, what is q?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

Which one is the correct answer, and why?