Question

Pleaseeee helppp me !!!!!!!

Which value of a solves the equation?
a to the power of -2 = 1/64
A.-16 B.8 C.4 D.-32

Which property is shown?
-2 + (-15)= -( 2+15 )
A.associative property
B.identity property
C.opposite of sum property
D.commutative property

Answer 1

The first is B, as anything to the power -2 = 1/ (that thing to the power 2) so you'd flip the 1/64 to get 64, and then route it to get 8                Opposite of sum property shown, so C