Question

A=(1/2)⁻⁴+(1/3)⁻³+(4/5)⁻¹-(2/7)⁻² ayudenmee es para ahoritaa 

Answer 1

A=(1/2)⁻⁴+(1/3)⁻³+(4/5)⁻¹-(2/7)⁻² 
A=(2)⁴+(3)³+(5/4)- (7/2)²
A=16+27+(5/4)-(49/4)
A=43-(44/4)
A=43-11
A=32

Answer 2

A=(1/2)⁻⁴+(1/3)⁻³+(4/5)⁻¹-(2/7)⁻² 
A=(2)⁴+(3)³+(5/4)- (7/2)²
A=16+27+(5/4)-(49/4)
A=43-(44/4)
A=43-11
A=32