The paths of power have many blocks. If I were from Tuberville's state, I would be looking at how retaliation against Tuberville affects my state. Remember when Christie blocked a highway to a neighboring state, with a pretend maintenance? Oopsie, it was his underlings that did it.
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Which equals 29^2 x .01 => ((28 x 30) +1) X .01
=> (840 + 1) x .01 => 8.41
28 x 30 is an easy mental calculation, as is adding 1, as is moving the decimal place over 2 places. I am teaching this to 4th graders, in two weeks. % to decimal is next week. They can square 2-digit numbers in their heads, already.