How many zeros will there be in the product of 39 times 1,000 how many zeros will there be in the product of 50 times 1,000

If a || b and e || f , what if the value of y ?

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1

For the following equations, find the ratio of a to b. be sure to show all of your work. a. 3a = 6b b. 15a = 5b