Question

Calcule
$a) \: ( - 3)^{ - 1} + ( - 1)^{3} =$
$b) \: 2^{ - 4} - 2^{2} =$
$c) \: (4^{ - 1} + 2^{3} )^{ - 1} =$
$d) \: (6^{ - 2} \times 3^{ - 2})^{ - 1} =$

Answer 1

A) -3-¹ +(-1)³
-3-¹ +1
-1/3 -1
-4/3

B)1/2⁴ -2²
1/2⁴-4
1/16-4
-63/16

C)(2-²+2³)-¹
(2-²+8)-¹
(1/2²+8)-¹
(1/4+8)-¹
(33/4)-¹
4/33

D) ((6×3)-²)-¹
(18-²)-¹
18²