Answer:
Beaker: $3, Goggles: $7
Step-by-step explanation:
Answer:
$42.40
Step-by-step explanation:
The horizontal axis is in fractions.
The three lightest are two pounds & one pounds. Each cost $4.40 per pound.
So cost = 4.40(5/8+5/8+6/8) = $8.8
Remaining costs 4.80 per pound. We add up the remaining and multiply by 4.80 to get their cost.
cost =
Hence, total cost = 8.8 + 33.6 = $42.40
Student 4 has the largest percent error.
Step-by-step explanation:
The percent error of a measurement is given by
where
x is the value of the measurement
is the actual value
For student 1:
Percent error:
For student 2:
Percent error:
For student 3:
Percent error:
For student 4:
Percent error:
So, student 4 has the largest percent error.
Learn more about errors:
brainly.com/question/2764830
#LearnwithBrainly
Answer:
2/3*(7/4)=7/6 hours
Step-by-step explanation: