What is 3.47 x 10^-6 times 4.61 x 10^7 equals? and what is 3.47 x 10^-6 over 4.61 x 10^7 in scientific notation. also what is 5.52 x 10^7 over 3.47 x 10^-6? ?

What are the soultion(s) to the quadratic equation 40- x^2=0

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.