Measurement, Uncertainty and Significant Figures

Last updated over 1 year ago
7 questions
You may use your notes packets to help you.
You may not talk to other students or seek help online.
1

How many estimated digits are allowed in a measurement?

1

Leading zeros (such as these 0.002) __________________count as significant figures.

1

How many significant figures in the number
250

1

How many significant figures in 0.03064

1

How many significant figures in 15.0

1

Remember:
Accuracy measures how close results are to the true or known value.
Precision, on the other hand, measures how close results are to one another.

In your "1.2 Lab: Measurement in the Kitchen", your 4 trials of 1/4 cup flour resulted in 4 different mass measurements. This shows...

1

Remember:
Accuracy measures how close results are to the true or known value.
Precision, on the other hand, measures how close results are to one another.

In your "1.2 Lab: Measurement in the Kitchen", your 1/4 cup flour mass average was higher than the 30g listed on the nutrition label. This shows...