Question

a. (3^-².4^-¹)=
b. (-2)⁴.4²-(-2)³+2^0

Answer 1

a. (3^-².4^-¹)=
(1/3)² × 1/4
1/9 × 1/4
1/36

b. (-2)⁴.4²-(-2)³+2^0 =
16 × 16 - (-8) + 1
256 + 8 + 1
265