Which of the following pairs is not correctly written in scientific notation

Find the roots of the equation below. x^2 - 6 + 9 = 0

What is the least common factor of 6 and 8

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.