True or False :In scientific natiation left is negative and right is positive. Will give Brainliest to whoever is correct

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Will give brainliestbased on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m?

Interpret the following expression (5y^2-7)^3/(2y)^2