9.3 × 107 would be the scientific notation
Answer:

Step-by-step explanation:
51 / 13 = 3.9231 = 3
51 - (13 x 3) = 12

Answer:
Perimeter: 2l+2w
Area: lw
Step-by-step explanation:
Let l=length, and w=width
Answer:
Step-by-step explanation:
i would say c