Scientific Notation Quiz

Emma is measuring the thickness of a very thin sheet of paper. She finds that the thickness is 0.0001234 meters. Which of the following is the correct scientific notation for this measurement?

Arjun measured the length of a metal rod and found it to be 5.60 \times 10^3 meters. How many significant figures are in this measurement?

• 2

• 3

• 4

• 5

Anika is working on a science project and needs to write the number 0.00000075 in scientific notation. Which of the following is the correct scientific notation for 0.00000075?

Nora is reading a science book and comes across the number 3.2 \times 10^4. She wants to convert it to standard notation. What is the correct value?

• 320

• 3200

• 32,000

• 3,200,000

Rohan is measuring the concentration of a solution in his chemistry lab. Which of the following scientific notations represents the concentration 0.084?

Emma is measuring the length of a small object and records the value as 0.005040 meters. How many significant figures are in this measurement?

• 3

• 4

• 5

Aria and Grace are measuring different quantities in their science class. Which of the following numbers has 5 significant figures?

• 0.00456

• 12300

• 0.00012340

• 100.1

Avery is calculating the total distance she traveled in a day. She drove 2.34×10^3 miles in the morning and an additional 0.0065 miles in the evening. What is the total distance traveled, expressed with the correct number of significant figures?

• 2,340.0065

• 2,340.01

• 2,340

• 2,340.1

• 2

• 3

• 4

• 5

Ethan measured the thickness of a thin film and found it to be 0.0078912 meters. Round this measurement to 3 significant figures.

• 0.00789

• 0.0079

• 0.0078

• 0.008