Becuase 1 is negative and one is postive
Ok I think you mean what is 6.4 divided by 0.8.
You can either use long division or a calculator. However since 6.4 divided by 0.8 is really the fraction 6.4/0.8 you can turn this into a much more simple problem.
Just

×
1.86 is your answer
1/3*4/5=4/15
4/14*7/1=28/15
28/15=1.86
Your answer is 1.86
Hope this helps.
Answer:
540
Step-by-step explanation:
I honestly put it in my calculator and squared it,
291600
/ \
540 540
you have a pair, you don't have to do anything else, and you're done
Answer:
2
Step-by-step explanation: