To write 8.63 as a fraction you have to write 8.63 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number. 8.63 = 8.63/1 = 86.3/10 = 863/100
No, this is not a random group of students. Because Nina asked her friends if they liked the movie. For her to ask a random group of people, she would have to go and ask people that she did not know.
