Answer:
0.04
Step-by-step explanation:
The picture is very blurry I can’t see , wish I could help doe !!! Can you still mark brainliest for effort of trying to help !?
Answer:
1.671:1
Step-by-step explanation:
80/7=11.99(9) or ~12
90/12= 7.177(7)
11.99(9)/7.177(7)=1.671
1.671:1
Answer:
It should be reported as 20.648%
Step-by-step explanation:
Since we have 2 different observed values hence we shall use an average of the 2 values to report the result
Thus value is 
As we can see that the least count of our observations is upto 3 decimal places hence we have to report a result upto only 3 decimal places thus we need to round off the fourth decimal place thus the digit shall be increased by 1 since we have to drop off 5 and the digit before 5 is 7 which is an odd number.
Thus the result shall be 20.648%
Answer:
i think it is the 2nd one and the 5th one.
Step-by-step explanation:
hope this helped!
p.s it would be cool if you gave me brainliest