In mrs. ryder's science class you are studying the solar system. the circumference of the earth at the equator is about 24,900 miles. express this number in scientific notation. explain how you convert a number in standard form to scientific notation.

Does the point (1, sqrt 7) lie on circle shown.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship