Scientific Notation

Front

What is scientific notation?

Back

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 0.000972 to scientific notation.

Back

9.72 x 10^-4

Front

Convert 3.2 x 10^3 to standard form.

Back

3200

Front

What are significant figures?

Back

Digits in a number that contribute to its precision, including all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.

Front

Round 7520 x 0.021 = 157.92 to the correct number of significant figures.

Back

160

Front

Round 1234.56 to three significant figures.

Back

1230

Front

How many significant figures are in the number 438000?

Back

3 significant figures.

Front

What is the purpose of using scientific notation?

Back

To simplify calculations and comparisons of very large or very small numbers.

Front

How do you multiply numbers in scientific notation?

Back

Multiply the coefficients and add the exponents.

Front

How do you divide numbers in scientific notation?

Back

Divide the coefficients and subtract the exponents.