2^3=2*2*2
2*2*2+4*8
8+32
=> 40
Step by step explanation: -28-15
When adding negative with positive it will always be negative so for this question, subtract -28 with 15 which would be -43. So -43 would be the temperature in the evening.
Okay. After some work here is the answer I got.
Hoped I Helped. Have A Wonderful Day. :)