What is 1.039x10-8 in standard notation

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

What rotation was applied to triangle def to create d’e’f’?