Answer:
160
Step-by-step explanation:
400 / 2.5 = 160
160 x 1 = 160
1E18 OR 10^18
The formula is multiply the length by 1e+18
-57
13,8,3,-2 (decreasing by 5)
13,8,3,-2,-7,-12,-17,-22,-27,-32,-37,-42,-47,-52,-57.
The 15th term is -57.
<u><em>Ace</em></u>
honors
the answer is d