Write 25 times 10 to the 6 power in scientific notation

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Prove that 16^4-2^13-4^5 is divisible by 11.