Question

quanto e

12-2⁴+(8.5)² =

(-9+3)²+15=

(2³)²-42+5² =

Answer 1

a)12-2⁴+(8.5)²
12-2⁴+(40)²
12-2⁴+1600
12-16+1600
-4+1600
1596

b)(-9+3)²+15
(-6)²+15
36+15
51

c)(2³)²-42+5²
(8)²-42+5²
64-42+25
22+25
47