WILL GIVE BRAINLIEST! What power of 10 is needed to write the number 46,000,000 in scientific notation? (Enter an exact number.)

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min