3 it's actually right and precise, a very good app But don't know hw to subscribe to see the step by step solving, but some answers were wrong, some are right ;-;. Even though I didn't switch into premium one.
100% useful. And it does a much better job than my college professor. And the best way to get rid of ADS for a non premium user is don't turn on internet while using this app. Definitely recommend if you're having problems in math.
Anyway it's still the best. But there is a problem that it doesn't work on wifi, definitely did not use this to cheat on test, definitely worth downloading if you are thinking about it, easy to use, accurate and fast answers.
The formulas for sound pressure at a defined power and at a defi ned distance are combined. The sound pressure level at a given power and distance is calculated as follows: p = pn + 10 x log