Question

Calcule o valor das expressoes numericas:
Calcule o valor das expressoes numericas:
a) -2⁴+3²+2⁰/-2²+(1/3)⁻²

b) 2⁰+2⁻¹/ 4⁻¹

c) 3⁰+(-2)² -(1/3)⁻¹ /(1/2)⁻²

Me ajudeeem pfvr

Answer 1

a)
-2^4+3^2+2^0/-2^2+(1/3)^-2=
-16+9+1/4+(3/1)^2=
-7+1/4+9=
-6/13

b)
2^0+2^-1/4^-1=
1+1/2/1/4=
2/2+1/2/1/4=
3/2/1/4=
3/2.4/1=
12/2=
6

c)
3^0+(-2)^2-(1/3)^-1/(1/2)-2=
1+4-3/1/(2/1)^2=
1+4-3/4=
5-3/4=
2/4=
1/2