Significant figures/Scientific Notation/Measurement

Front

What are significant figures?

Back

Significant figures are the digits in a number that contribute to its precision. This includes all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

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

Back

Count all non-zero digits, any zeros between them, and trailing zeros in a decimal number. Leading zeros are not counted.

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form. It is written as a product of a number between 1 and 10 and a power of 10.

Front

Convert 564,000,000 to scientific notation.

Back

5.64 x 10^8

Front

Convert 4.3756 x 10^4 to standard form.

Back

43,756

Front

How do you write 0.0005 in scientific notation?

Back

5 x 10^-4

Front

What is the correct measurement to the degree of precision for 52.8?

Back

52.8 is measured to three significant figures.

Front

How many significant figures are in the number 10.0 g?

Back

There are 3 significant figures in 10.0 g.

Front

What is the purpose of using scientific notation?

Back

Scientific notation simplifies the representation of very large or very small numbers, making calculations easier and clearer.

Front

How do you add numbers in scientific notation?

Back

To add numbers in scientific notation, they must have the same exponent. Adjust the numbers to have the same exponent, then add the coefficients.