2 is Reflexive property
4 is (I don't remember the specific property of this)
Answer:
4.9x10^4
Step-by-step explanation:
4.9*10000=49,000
First lets figure out what -5+5 equals. so -5+5=0. so then -4-0 equals -4. so therefor your answer is -4
Answer: I think the answer is D
Step-by-step explanation:
