Scientific Notation and Significant Figures Practice

What is the rule for adding and subtracting numbers with significant figures?

• The result should be rounded to the least number of decimal places of any number in the operation.

• The result should be rounded to the least number of significant figures in any number in the operation.

• The result should be rounded to the greatest number of decimal places of any number in the operation.

• The result should be rounded to the average number of decimal places of the numbers involved.

What is the result of 1.31 cm x 2.3 cm when considering significant figures?

• 2.9 cm²

• 3.0 cm²

• 3.1 cm²

• 4.0 cm²

What is scientific notation?

• A method of expressing numbers as a product of a coefficient and a power of 10, where the coefficient is greater than or equal to 1 and less than 10.

• A way to write numbers using only whole numbers and fractions.

• A technique for estimating the value of large numbers without using decimals.

• A system for categorizing scientific experiments based on their complexity.

How do you convert 4.3756 x 10^4 to standard form?

• 43,756

• 4,375.6

• 437.56

• 437,560

What is the standard form of 8 x 10^4?

• 80,000

• 8,000

• 800,000

• 8,000,000

What is the result of 0.00345 + 0.0021?

• 0.00545

• 0.00555

• 0.00565

• 0.00575

Which of the following is correctly written in scientific notation?

• 5.67 x 10^5

• 56.7 x 10^3

• 0.567 x 10^6

• 567 x 10^2

What is the range for the coefficient in scientific notation?

• Greater than or equal to 0 and less than 10

• Greater than or equal to 1 and less than 10

• Greater than or equal to 1 and less than 100

• Greater than or equal to 0 and less than 1

How do you determine the number of significant figures in 1002?

• Two significant figures

• Three significant figures

• Four significant figures

• Five significant figures

What is the standard form of 3.0 x 10^3?

• 2,500

• 3,000

• 4,000

• 1,500