Which examples follow the basic rules for writing numbers? Instruction: Choose all options that best answer the question. The city has a population of 548,499 There's a fifty percent chance it will work I counted 847 units of stock Forty percent of the city's roads need repairs We found nine instances of fraud last year The state has five hundred and forty thousand people above the age of 20 The exact length is forty-two mm I found about a dozen mistakes in the code