110k views
5 votes
Determine if -81.42 is rational or irrational. If it is rational, write the number as a ratio of two integers.​

User Zuim
by
8.0k points

2 Answers

2 votes

Answer: It is a rational number.

A rational number is a number that can be represented as a fraction.

The fraction can be:
- (4071)/(50) because:


-(81.42)/(100) ÷ 2 =
(40.71)/(50)

The answer is yes, it is rational.

User Vetrivel PS
by
8.1k points
2 votes

Answer:

-81.42 is a rational number

Explanation:


- 81.42 \\ \\ = - (8142)/(100) \\ \\ = - (8142 / 2)/(100 / 2) \\ \\ = - (4071)/(50) \\ \\

User Deonna
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories