Scientific Notation and Significant Figures Flashcard

Front

What is scientific notation?

Back

A method of expressing numbers as a product of a coefficient and a power of 10, e.g., 3.0 x 10^4.

Front

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

Back

Count all non-zero digits, any zeros between them, and trailing zeros in the decimal portion.

Front

What is the significance of significant figures in calculations?

Back

They indicate the precision of a measurement and help maintain accuracy in calculations.

Front

Convert 0.00045 to scientific notation.

Back

4.5 x 10^-4.

Front

What is the rule for addition and subtraction regarding significant figures?

Back

The result should have the same number of decimal places as the measurement with the least decimal places.

Front

Convert 2500000 to scientific notation.

Back

2.5 x 10^6.

Front

What is the rule for multiplication and division regarding significant figures?

Back

The result should have the same number of significant figures as the measurement with the least significant figures.

Front

Convert 3.0 x 10^5 to standard form.

Back

300000.

Front

What is the value of (5.67 x 10^3) + (2.1 x 10^2)?

Back

5.88 x 10^3.

Front

How do you express 0.00000789 in scientific notation?

Back

7.89 x 10^-6.