Answer:
I believe 42.
Step-by-step explanation:
3. 4 meters
6. wrong, it should be 7000 meters
7. 2 dm > 10 cm
8. 30 cm = 3 dm
9. 6 km > 5000 m
10. 8 m < 90 dm
__________
Answer: 2m - 5n
<u>Explanation:</u>
Using long division
<u> 2m - 5n </u>
6 ) 12m - 30n
width*length = area
6(2m - 5n) = 12m - 30n