What does 21 go into?

What is 15.00 rounded to? Which of the two Properties of Exponents require that the base of the exponent be the same in order to use that property? How could we estimate the probability of a 6 sided spinner in Dowsing and Technology that it eas a fair spinner? What is the additive and multiplicative inverse of 6? How is trigonometry used in ultrasound? When did nickels become magnetic? What does AAS mean in geometric terms? What is defined as the quality of life based on the possession of necessities and luxuries? What best describes an ellipse? What property is used to solve the equation? What is a Characteristic of Constant? What is a population standard deviation? What kind of graph is used to show the relationship between dependent and independent variables? What events are unique to Mark's Gospel? How do you remove about blank blocking your page? What is a misrepresentation of the true shape of something? Sixteen inches equals how many centimeters? What is momentum of an 80-kg runner moving at the speed of 2.5 m per s? Who used fantasy shapes in many of his works? What is Genius Intelligence?