Question

Sabendo q X= -(-5)^-2 e Y= 10^-1, calcule o valor de X+Y.
Urgenteeeeee prfvvv​

Answer 1

-(- 5)^-2 + 10 ^-1
-1 / 5^2 + 1 / 10
-1 / 25 + 1 / 10

agora mmc
25 , 10 = 2
25 , 5 = 5
5 , 1 = 5
1 , 1 = 5 * 5 * 2 = 50

(-2 + 5 ) / 50

x + y = 3 / 50