Numerical Representations

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is scientific notation?

Back

Front

How do you convert a number from standard form to scientific notation?

Back

To convert a number from standard form to scientific notation, move the decimal point to the left or right until you have a number between 1 and 10, and count the number of places you moved the decimal to determine the exponent.

Front

What does a negative exponent indicate in scientific notation?

Back

A negative exponent indicates that the number is a fraction, specifically that it is less than 1.

Front

How would you express 0.0005 in scientific notation?

Back

Front

Back

Front

Back

Front

What is the difference between a repeating decimal and a non-repeating decimal?

Back

A repeating decimal has a digit or group of digits that repeat infinitely (e.g., 0.333...), while a non-repeating decimal does not have any repeating pattern (e.g., 0.123456...).

Front

Back

Front

What is the standard form of the number 0.00000045?

Back