Which of the four number systems covered in this chapter (i.e., binary, decimal, hexadecimal, and octal) could the number 99 be part of? Give all that are possible. Which of the four number systems...

Which of the four number systems covered in this chapter (i.e., binary, decimal, hexadecimal, and octal) could the number 99 be part of? Give all that are possible. Which of the four number systems covered in this chapter (i.e., binary, decimal, hexadecimal, and octal) could the number 1F be part of? Give all that are possible.