Multiplying and Dividing Rational Numbers

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 does it mean to multiply rational numbers?

Back

Multiplying rational numbers involves multiplying their numerators and denominators separately, and the result is a rational number.

Front

What is the rule for multiplying two negative rational numbers?

Back

The product of two negative rational numbers is positive.

Front

What is the rule for multiplying a positive and a negative rational number?

Back

The product of a positive and a negative rational number is negative.

Front

How do you divide rational numbers?

Back

To divide rational numbers, multiply the first number by the reciprocal of the second number.

Front

What is the reciprocal of a number?

Back

The reciprocal of a number is 1 divided by that number.

Front

Calculate: -3.6 ÷ 0.06

Back

-60

Front

Calculate: 7.13 x -5.5

Back

-39.215

Front

Calculate: 5.75 ÷ 0.25

Back

23

Front

Calculate: -0.2052 x 10

Back

-2.052