Question

2 elevado a -1+(1/2) elevado a -2+120 elevado 0-(-2)elevad 3

Answer 1

2⁻¹ + (1/2)⁻² + 120⁰ - (-2)³
1/2 + (2/1)² + 1 - (-2)³
1/2 + 2² + 1 - (-2)³
1/2 + 4 + 1 - (-8)
1/2 + 5 + 8
1/2 + 13
(1 + 26)/2
27/2