How do you write 58.5 millions?

How do you multiplying exponents with the same base? How far should you be able to bike in thirty minutes? What is the width of 12.2cm length and 9cm height? How do you find the measure of an angle from its arc? If a tiangle is scalene then it is never isoceles? How many times can an a4 piece of paper be folded until it ends up on a rectangle? Find all the solutions to the equation 2u4 plus 38u2 equals 16u3 plus 24u? What has curve and two circles? If you were born in June 8 1998 how old are you? Is 9 a divisor of 27? What numbers are divisible by 130? How many significant digits does 0.345 have? How do i solve 2x squared plus 9x plus 2? Who has federal id 38-1798424? Why are some rectangles not squares? What is the largest remainder you can have when you divide by 7? Density is a term that means a rapid increase in population size? How do you get two sixs on dice? What year was you born you are 55years old? How many sides does a 3D pyramid has?