Answer:
8m
Step-by-step explanation:
We assume you're describing a geometric sequence with first term m and common ratio 2. Then the n-th term is ...
a[n] = m·2^(n-1)
and the fourth term is
a[4] = m·2^(4-1) = 8m
Answer:3
The friction that the car usually uses to stop(a rough and hard ground) was null and void, so the car spun uncontrollably.
amplitude: 5; period: 2π; midline: y = 3
