Look at the picture it explains the answer
Answer:
10000 (1sf)
12000(2sf)
11900(3sf)
11940(4sf)
Step-by-step explanation:
I would go for 12000 (2sf) if it the degree of accuracy isn't specified in the question
Answer:
B
Step-by-step explanation:
It's B because two negatives equal a positive.
C. The absolute value of -45 is 45, leaving the extra negative to hang on in there ---> -|-45|= 45= (bring the negative back over) -45
D. Self explanatory its -45 alone lol.
