Is france a example of a developed country true or false

The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80

Explain vector addition, triangle method and parallelogram method

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied