Significant Figures & Scientific Notation

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 number?

Back

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

Front

How many significant figures are in the number 0.00200?

Back

3

Front

How many significant figures are in the number 1.050?

Back

4

Front

What is 1.57 x 10^3 in standard notation?

Back

1570

Front

How many significant figures are in the number 1234?

Back

4

Front

How many significant figures are in the number 1005?

Back

4

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, using powers of ten.

Front

Convert 0.00045 to scientific notation.

Back

4.5 x 10^-4

Front

Convert 250000 to scientific notation.

Back

2.5 x 10^5