702x10-4 power stanndard notation

Which ratio is equivalent to 10: 85

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.