2-1 x 2-2 = 2-1 + -2 = 2-3 = 1/8, or one eighth.
negative eight plus two times four to the second power
31
-216
negative 42
negative two
two to the seventh power times negative three
negative two-thirds
It is the negative of the value of the number multiplied by itself two times (not three times - as most of us are incorrectly taught).
Positive two-thirds.
The result is 1.
-2
Negative two times three is negative six.