Question

Efetue as expressões numéricas:

a)3³+4-¹+2°
b)(3²+5³)-¹

Answer 1

A)
3^3=27
4^-1=1/4
2^0=1
27/1+1/4+1/1=96+1+4/4=>
101/4.
(3^2)^-1=3^-2
(5^3)^-1=5^-3
3^-2=(1/3)^2=> 1/6
5^-3=(1/5)^3=> 1/25
(MMC)6*25=150
6+25/150=31/150.
Espero ter ajudado. ;-)