Chapter 10

Fundamentals of Mathematics · 376 exercises

Problem 20

For the following 18 problems, perform each subtraction. Use a calcula tor to cherk each result. $$ 8-3 $$

3 step solution

Problem 20

Determine each of the values. $$ |-4| $$

2 step solution

Problem 20

Use a calculator to find each sum. $$ 673+(-721) $$

5 step solution

Problem 20

How should the number in the following 6 problems be read? (Write in words.) 15

3 step solution

Problem 20

Is there a smallest two digit number? If so, what is it?

3 step solution

Problem 21

A number is positive if it is directly preceded by a __________ sign or no sign at all.

3 step solution

Problem 21

Find the value of each of the following. Use a calculator to check each result. $$ (10)(-6) $$

5 step solution

Problem 21

For the following 18 problems, perform each subtraction. Use a calcula tor to cherk each result. $$ 12-7 $$

4 step solution

Problem 21

Determine each of the values. $$ -|3| $$

2 step solution

Problem 21

Use a calculator to find each sum. $$ -1,345.6+(-6,648.1) $$

3 step solution

Problem 21

How should the number in the following 6 problems be read? (Write in words.) 11

4 step solution

Problem 21

For the pairs of real numbers in the following 5 problems, write the appropriate symbol \((<,>,=)\) in place of the \(\square\) $$ \begin{array}{lll} -7 & \square & -2 \end{array} $$

3 step solution

Problem 22

Find the value of each of the following. Use a calculator to check each result. $$ (-6)(4) $$

5 step solution

Problem 22

For the following 18 problems, perform each subtraction. Use a calcula tor to cherk each result. $$ 5-6 $$

3 step solution

Problem 22

Determine each of the values. $$ -|7| $$

2 step solution

Problem 22

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ 4+12 $$

3 step solution

Problem 22

How should the number in the following 6 problems be read? (Write in words.) \(-(-1)\)

3 step solution

Problem 22

For the pairs of real numbers in the following 5 problems, write the appropriate symbol \((<,>,=)\) in place of the \(\square\) $$ -5 \square 0 $$

5 step solution

Problem 23

How should each number be read? $$ -8 $$

3 step solution

Problem 23

Find the value of each of the following. Use a calculator to check each result. $$ (-2)(6) $$

4 step solution

Problem 23

For the following 18 problems, perform each subtraction. Use a calcula tor to cherk each result. $$ 14-30 $$

3 step solution

Problem 23

Determine each of the values. $$ -|-14| $$

2 step solution

Problem 23

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ 8+6 $$

3 step solution

Problem 23

How should the number in the following 6 problems be read? (Write in words.) \(-(-5)\)

3 step solution

Problem 23

For the pairs of real numbers in the following 5 problems, write the appropriate symbol \((<,>,=)\) in place of the \(\square\) $$ -1 \square 4 $$

3 step solution

Problem 24

Find the value of each of the following. Use a calculator to check each result. $$ (-8)(7) $$

4 step solution

Problem 24

For the following 18 problems, perform each subtraction. Use a calcula tor to cherk each result. $$ -6-8 $$

4 step solution

Problem 24

Determine each of the values. $$ |0| $$

3 step solution

Problem 24

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ 8+6 $$

3 step solution

Problem 24

For the following 6 problems, write each expression in words. \(5+3\)

3 step solution

Problem 24

For the pairs of real numbers in the following 5 problems, write the appropriate symbol \((<,>,=)\) in place of the \(\square\) $$ 6 \square-1 $$

4 step solution

Problem 25

How should each number be read? $$ -(-1) $$

3 step solution

Problem 25

Find the value of each of the following. Use a calculator to check each result. $$ \frac{21}{7} $$

4 step solution

Problem 25

For the following 18 problems, perform each subtraction. Use a calcula tor to cherk each result. $$ -1-12 $$

4 step solution

Problem 25

Determine each of the values. $$ |-26| $$

2 step solution

Problem 25

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ (-3)+(-12) $$

5 step solution

Problem 25

For the following 6 problems, write each expression in words. \(3+8\)

4 step solution

Problem 25

For the pairs of real numbers in the following 5 problems, write the appropriate symbol \((<,>,=)\) in place of the \(\square\) $$ 10 \square 10 $$

3 step solution

Problem 26

Find the value of each of the following. Use a calculator to check each result. $$ \frac{42}{6} $$

3 step solution

Problem 26

For the following 18 problems, perform each subtraction. Use a calcula tor to cherk each result. $$ -5-(-3) $$

4 step solution

Problem 26

Determine each of the values. $$ -|-26| $$

2 step solution

Problem 26

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ (-6)+(-20) $$

3 step solution

Problem 26

For the following 6 problems, write each expression in words. \(15+(-3)\)

3 step solution

Problem 27

Write each expression in words. $$ 1+(-7) $$

4 step solution

Problem 27

Find the value of each of the following. Use a calculator to check each result. $$ \frac{-39}{3} $$

4 step solution

Problem 27

For the following 18 problems, perform each subtraction. Use a calcula tor to cherk each result. $$ -11-(-8) $$

4 step solution

Problem 27

Determine each of the values. $$ -(-|4|) $$

3 step solution

Problem 27

Find the sums in the following 27 problems. If possible, use a calculator to check each result. $$ 10+(-2) $$

6 step solution

Problem 27

For the following 6 problems, write each expression in words. \(1+(-9)\)

4 step solution

Problem 27

For the following 5 problems, what numbers can replace \(m\) so that the following statements are true? \(-7

4 step solution

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