Scientific Notation, Significant Figures,-Short

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 typically in the form of a x 10^n, where 1 ≤ a < 10 and n is an integer.

Front

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

Back

Significant figures are determined by counting all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion. Leading zeros are not counted.

Front

Round the number 0.0046753 to four significant figures.

Back

0.004675.

Front

What is the significance of significant figures in scientific measurements?

Back

Significant figures indicate the precision of a measurement. They reflect the certainty of the measurement and help convey the accuracy of the data.

Front

How many significant figures are in the number 90,000.00?

Back

There are 7 significant figures in the number 90,000.00.

Front

What is the rounded value of 229200 to three significant figures?

Back

229000.

Front

Which of the following is a valid representation of 5.0 x 10^8 in standard form?

Back

500,000,000.

Front

What is the purpose of using scientific notation?

Back

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

Front

How do you round a number to a specific number of significant figures?

Back

To round a number to a specific number of significant figures, identify the last significant figure you want to keep, look at the next digit, and round up if it is 5 or greater.

Front

What is the greatest value among the following: 4.5 x 10^8, 5.0 x 10^8, 3.2 x 10^9?

Back

5.0 x 10^8 is the greatest value.