Two students are chosen at random from a class of 30. what is the probability that both you and your best friend are chosen?

Select all the correct locations on the image. select all the expressions that result in a product that is a rational number. mulitiple choice4/3 x 12/3 32/4 x 15/4[tex]\sqrt{\frac{3}{2} }[/tex] x 22/7[tex]\sqrt{11}[/tex] x 2/3

What is the number 321,000,000 in scientific notation? also what is the number? ?

Me find the value of x each figure.