Answer: A & D
Step-by-step explanation:
Hot Outside = Buy Ice cream cone
Buy Ice cream cone = Hot outside
A. You buy an ice cream cone if and only if it is hot outside.
This is true because you do buy ice cream when it is hot.
B. You buy an ice cream cone if and only if it is not hot outside.
This is false because you buy ice cream when it is hot.
C. You do not buy an ice cream cone if and only if it is hot outside.
This is false because you buy ice cream when it is hot.
D. You do not buy an ice cream cone if and only if it is not hot outside.
This is true because you only buy ice cream when it is hot, which means you do not buy ice cream when it is not hot.
A) 13 x 10⁷
B) 42 x 10⁷
C) 67 x 10³
D) 76 x 10³
Plz help
Answer:
Step-by-step explanation:
2 1/2* -4 3/5=
5/2*-23/5
-23/2 or -11 1/2