Any time you multiply a number by another number that is less than 1, the product will be less than the original number. If you think about it, the product will be a FRACTION of the original number.
Answer:
the simplest form is 10/9
You add another row and the row has to be one taller than the row before it
Well, for this question we can start off by making an equation
(6.4)2
This problem is quite simple actually so we will just multiply 6.4*2
6.4*2=12.8 miles
Answer:

Step-by-step explanation:
Given:
The given AP is.
12,0,-12,......

The first term of an AP 
Common difference 
We use the the formula for nth term of an AP.
for 87th term





Therefore, The 87th term of given series is -1020.