Question

question 7 (1 point)
a measurement with good accuracy must have good precision
true
false
question 8 (1 point)
90 people means somewhere between 100 and 80 people
true
false
question 9 (1 point)
increasing the temperature of a substance is a form of work.
true
false

Explanation:

• Question 7: Accuracy and precision are independent. A measurement can be accurate without being precise.
• Question 8: 90 is a definite number within the range of 80 - 100, not a range itself.
• Question 9: Increasing temperature is heat - transfer (usually), not work in the mechanical sense.

Answer:

Question 7: B. False
Question 8: B. False
Question 9: B. False