Answer :
Answer:
-0.8
Step-by-step explanation:
1. When subtracting or adding negative numbers, remember these rules:
Same signs add and keep
Different signs subtract
Keep the sign of the higher number.
2. -0.1 and -0.7 both have the same sign (they're both negative numbers), so add them together.
-0.1 - 0.7 = -0.8
3. The answer is negative based on the rules listed above in step 1.