Review 11/21/2024

Front

What is the range of a set of numbers?

Back

The range is the difference between the highest and lowest values in a set of numbers.

Front

Calculate the range of the temperatures: 72°, 80°, 75°, 74°, 72°.

Back

The range is 80° - 72° = 8°.

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 12,700,000 to scientific notation.

Back

12,700,000 = 1.27 × 10^7.

Front

Convert 0.00056 to scientific notation.

Back

0.00056 = 5.6 × 10^{-4}.

Front

What is standard form?

Back

Standard form is the usual way of writing numbers, using digits.

Front

Convert 4.8 × 10^5 to standard form.

Back

4.8 × 10^5 = 480,000.

Front

Convert 1.95 × 10^{-3} to standard form.

Back

1.95 × 10^{-3} = 0.00195.

Front

What is the purpose of scientific notation?

Back

It simplifies the representation of very large or very small numbers, making calculations easier.

Front

How do you determine the exponent in scientific notation?

Back

The exponent indicates how many places to move the decimal point: to the right for positive exponents and to the left for negative exponents.