The identity property of addition states that the sum of any number and 0 is the original number.
so...x + 0 = x would be the identity property of addition (also called the additive identity)
(-1.1)*(-1.1)*(-1.1)=-1.331
4 to the 1st is 4
4 to the 2nd is 16
4 to the 3rd is 64
<span>4 to the 4th is 256
hope that helps</span>
Yes, in simplest form, both fractions are 1/3 (one over three)