Answer:
-7
Step-by-step explanation:
-2-5 is -7
in integers u add them and put negative sign
^^
I just pressed 27/90 on the calculator hahahha
2^0+2^1+2^2+...+2^49
1=2^0
2=2^1
4=2^2
8=2^3
and so on
no f-ing clue
