Answer:

Step-by-step explanation:

Answer:
Therefore, the decimal number 5540 written in scientific notation is 5.54 × 103 and it has 3 significant figures.
Step-by-step explanation:
PLS BRAINLEST PLS PLS PLS
Answer:
1254 Dont use this answer sorry
Step-by-step explanation:
The correct answer is letter B, (6,-1).
When you substitute this ordered pair on the equations, you would found out is the correct one.