<span>During a baseball game a fly ball is hit to center field and is caught 115m from home plate. Just when the ball is caught, a runner on third base takes off for home, ...</span><span>
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Answer:
212121.
Step-by-step explanation:
It is odd number so it ends in 1.
There are 3 2's and 3 1's which alternate.
Diivisible by 3 and 9
It is 212121.
The definition is pretty simple:

So, we only have to sum the expressions:

Answer: 81
Step-by-step explanation:
(3^2)^2=81
Hope that helped