Question

Resolva as expressões numéricas:

a) 4² - 28 + 8³ b) ( -8 +4 )² +16 d) 5⁻² + ( 6³ : 6² ) e) 3⁻² + ( 3² . 3 )

Answer 1

a=16-28+512=500
b=(-8+4)^2=16
16+16=32
d=5^-2=25^-1=0,04
¨6^3=216
6^2=36
0,04(216/36)=0,04(6)=0,24
e=3^-2=9^-1=0,11
(3^2.3)=9.3=27
0,11+(27)=27,11