What is the sum complete the equation-5 + (20)

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?