It would be 89.
You can also just look up a list of prime numbers online.
.9%. To turn a decimal into a percent, you move the decimal 2 places to the right. So .009 would be .9%
We know that V = a^3 and that it's 1000 cubic meters (or unit cubes as long as one unit cube is 1x1x1m). We can write the calculation as attached below. The result (dimensions of one cube house) is
10x10x10 meters.
See56.7 cause it is the correct one to the 20th
In this specific case, the <em>initial term</em> (a) is 5 and the <em>common ratio</em> (r) is -2
Henceforth, after determining what a and r are, we use the formula for the <em>nth term</em>. Which is:

Therefore, the 14th term is :

Hope it helps!