BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.1, Problem 5E

(a)

To determine

To list: the natural numbers from the given set.

Expert Solution

Answer to Problem 5E

The only natural number is 50.

Explanation of Solution

Given information:

A set is given as {0,10,50,227,0.538,7,1.23¯,13,23}

Calculation:

Natural numbers are all whole numbers and positive numbers excluding zero.

Consider the given set.

  {0,10,50,227,0.538,7,1.23¯,13,23}

Here, the only natural number is 50.

(b)

To determine

To list: the integers from the given set.

Expert Solution

Answer to Problem 5E

The integers are 0,10,50 .

Explanation of Solution

Given information:

A set is given as {0,10,50,227,0.538,7,1.23¯,13,23}

Calculation:

Integers are all positive and negative whole numbers including zero.

Consider the given set.

  {0,10,50,227,0.538,7,1.23¯,13,23}

Here, the integers are 0,10,50 .

(c)

To determine

To list: the rational numbers from the given set.

Expert Solution

Answer to Problem 5E

The rational numbers are 0,10,50,227,0.538,1.23¯,13 .

Explanation of Solution

Given information:

A set is given as {0,10,50,227,0.538,7,1.23¯,13,23}

Calculation:

Rational numbers are all positive and negative whole numbers, fraction, repeating and recurring decimal expression including zero.

Consider the given set.

  {0,10,50,227,0.538,7,1.23¯,13,23}

Here, the rational numbersare 0,10,50,227,0.538,1.23¯,13 .

(d)

To determine

To list: the irrational numbers from the given set.

Expert Solution

Answer to Problem 5E

The irrational numbers are 7 and 23 .

Explanation of Solution

Given information:

A set is given as {0,10,50,227,0.538,7,1.23¯,13,23}

Calculation:

Irrational numbers are all real numbers except the rational number.

Rational numbers are all positive and negative whole numbers, fraction, repeating and recurring decimal expression including zero.

Consider the given set.

  {0,10,50,227,0.538,7,1.23¯,13,23}

Here, the irrational numbers are 7 and 23 .

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