PLEASE HELP ANSWER please answer 1-8 please its charts and its due tonight please i will give you brainleist if you answer 1-8 pleassse

Step-by-step explanation:
2. 400m÷20secs=20m/secs
3. 50m÷10secs=5m/secs
4. 90m÷45secs=2m/secs
5. 395000m÷9000secs=43.89m/secs
6. 16km÷0.25hr=64km/hrs
7. 50m÷3secs=16.67m/secs
8. 70m÷2hrs= 2hrs÷60secs=7200
70m÷7200secs=0.01m/sec
Answer:
Step-by-step explanation:
2. 400m÷20secs=20m/secs
3. 50m÷10secs=5m/secs
4. 90m÷45secs=2m/secs
5. 395000m÷9000secs=43.89m/secs
6. 16km÷0.25hr=64km/hrs
7. 50m÷3secs=16.67m/secs
8. 70m÷2hrs= 2hrs÷60secs=7200
70m÷7200secs=0.01m/sec