Answer:
1. Percent
2. Number
Step-by-step explanation:
Answer: If you're looking for the sum of the equation, it's 9.57.
If you're looking for a better way to add it. It's this. (1.7 + 5.3) + 2.57.
Step-by-step explanation: The reason for my answer is quite simple. Since 1.7 and 5.3 add up to 7, all you need to do is add 7 and 2.57. That way, it's much easier to get the answer 9.57
Hope this helped :)
To know how far your values differ apart from the mean of the records
I hope this helps you
1/8.20=2,5
4/5.3/8=12/40=0,3
1 1/8=9/8 9/8.1/9=1/8=0,125
3/4.1/3.2/5=1/10=0,1