70mi/1hr x 1hr/60min x 1min/60sec= .0194/1sec
mean would be adding them all up and dividing by how many there is mean median mode and range but the mean absolute deviation would be actually can't tell you cuz I don't know myself but you could probably look it up I wish you the best of luck
410,000
Hope this helps ;)
Answer:
-1
Step-by-step explanation:
get -3 to the other side of the equation. 2a=-2 so a is -1