Answer:
-5
Step-by-step explanation:
(-5)^2 +8(-5) +10
25 -40+10
-15+10
1.01010 x 10³. Might vary if it asks for specific significant figures.
3000×5=15000.so 6÷15000=2500
so the wind speed us 2500 km per hour
23 and 14
