Precision and Accuracy in Calculations

Which is more precise?

• 40.5 sec

• 80.94 sec

Tags

CCSS.HSN.Q.A.3

DON'T FORGET TO SHOW YOUR WORK AND WRITE YOUR ANSWER IN YOUR BOOK! Rihanna has a container with a volume of 1.5 liters. She estimates the volume to be What is the percent error?

• 250 %

• 140 %

• 40 %

• 71.4 %

QUESTION 6A - PAGE 166 - DON'T FORGET TO SHOW YOUR WORK AND WRITE YOUR ANSWER IN YOUR BOOK! Several students measured a 25-mm-long nail. Write the measurements in the boxes shown in the table below. ROUND TO THE NEAREST PERCENT.

DON'T FORGET TO SHOW YOUR WORK AND WRITE YOUR ANSWER IN YOUR BOOK! Several students measured a 25-mm-long nail and wrote the measurements shown in the table below. Whose measurement had the greatest percent error?

• LAYNE

• TENICIA

• JUAN

A bag of flour has a mass of 1500 g (to the nearest 10 g). Find the maximum mass of 10 bags of flour.

• 15050 g

• 15000.5 g

• 15000 g

• 15050 kg

• Student A
• Student B
• Student C
• Cannot be determined

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

• 99

• 100

• 101

• 102

John is measuring the length of a new bridge for a school project. He finds the length to be 456.789 meters. If he needs to report this measurement with 4 significant figures, what should he write?

• 456.7

• 456.8

• 456.78

• 456.789

A scientist measures a chemical solution and finds its concentration to be 0.007856 M. If the scientist wants to document this concentration with only two significant figures, what should it be rounded to?

• 0.0078

• 0.0079

• 0.008

• 0.78

Round 12.87 to nearest ones place.

• 12.9

• 13

• 12.90

• 13.0

Tags

CCSS.5.NBT.A.4