Question 1

Write the number in expanded form. $2,111.221 _\text { three }$

Accepted Answer

A)  $2 \cdot 3 ^ { 3 } + 2 \cdot 3 ^ { 2 } + 1 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
B)  $1 \cdot 3 ^ { 3 } + 2 \cdot 3 ^ { 2 } + 2 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
C)  $2 \cdot 3 ^ { 3 } + 1 \cdot 3 ^ { 2 } + 1 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
D)  $1 \cdot 3 ^ { 3 } + 1 \cdot 3 ^ { 2 } + 1 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
E)  $2 \cdot 3 ^ { 3 } + 1 \cdot 3 ^ { 2 } + 2 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
A)  $2 \cdot 3 ^ { 3 } + 2 \cdot 3 ^ { 2 } + 1 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
B)  $1 \cdot 3 ^ { 3 } + 2 \cdot 3 ^ { 2 } + 2 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
C)  $2 \cdot 3 ^ { 3 } + 1 \cdot 3 ^ { 2 } + 1 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
D)  $1 \cdot 3 ^ { 3 } + 1 \cdot 3 ^ { 2 } + 1 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$ 
E)  $2 \cdot 3 ^ { 3 } + 1 \cdot 3 ^ { 2 } + 2 \cdot 3 ^ { 1 } + 1 \cdot 3 ^ { 0 } + 2 \cdot 3 ^ { - 1 } + 2 \cdot 3 ^ { - 2 } + 1 \cdot 3 ^ { - 3 }$

Question 2

Simplify the numerical expression. Give your answer in reduced form. $$\frac { 7 } { 42 } \times \frac { 7 } { 14 }$$

Accepted Answer

The answer of Simplify the numerical expression. Give your answer...

Question 3

Match between columns
                        Premises: $13$
$29$
$33$
$34$
$57$
$32$
standard decimal notation
scientific notation
$2$

Accepted Answer

The Answer of $5,659,500$ and \(16 \cdot 10 ^ { is...

Question 4

Change the number $1,022 _\text { three }$ to base ten.

Accepted Answer

A)  33 
B)  35 
C)  39 
D)  41 
E)  26 
A)  33 
B)  35 
C)  39 
D)  41 
E)  26

Question 5

Change the mixed number to an improper fraction. $$6 \frac { 3 } { 7 }$$

Accepted Answer

A)  $\frac { 18 } { 7 }$ 
B)  $\frac { 27 } { 7 }$ 
C)  $\frac { 39 } { 7 }$ 
D)  $\frac { 45 } { 7 }$ 
E)  $\frac { 25 } { 7 }$ 
A)  $\frac { 18 } { 7 }$ 
B)  $\frac { 27 } { 7 }$ 
C)  $\frac { 39 } { 7 }$ 
D)  $\frac { 45 } { 7 }$ 
E)  $\frac { 25 } { 7 }$

Question 6

$8 \cdot 10 + 7 \cdot 5 = 115$

Accepted Answer

A) True 
 B)False

Question 7

Match between columns
                        Premises: $4000
$40000
$60
$30

Accepted Answer

The Answer of If 300 shares of a stock cost is...

Question 8

Write the following number in decimal notation. $2.3 \times 10 ^ { 4 }$

Accepted Answer

The answer of Write the following number in decimal notation....

Question 9

Write $3.1 \times 10 ^ { 4 }$ in standard notation.

Accepted Answer

A)  3,100 
B)  31,000 
C)  0.00031 
D)  310,000 
E)  none of these 
A)  3,100 
B)  31,000 
C)  0.00031 
D)  310,000 
E)  none of these

Question 10

Convert the following mixed number to a decimal. $$9 \frac { 1 } { 8 }$$

Accepted Answer

A)  73.125 
B)  9.025 
C)  9.125 
D)  9.25 
E)  9.375 
A)  73.125 
B)  9.025 
C)  9.125 
D)  9.25 
E)  9.375

Question 11

Write the following number in decimal form. $4 \cdot 10 ^ { 4 } + 8 \cdot 10 + 9 + 9 \cdot 10 ^ { - 1 }$

Accepted Answer

The answer of Write the following number in decimal form....

Question 12

What is the LCD of fractions with the denominators 12, 8, and 5?

Accepted Answer

The answer of What is the LCD of fractions with...

Question 13

Simplify the numerical expression. Give your answer in reduced form. $$1 \frac { 1 } { 3 } \div 4 \frac { 1 } { 4 }$$

Accepted Answer

The answer of Simplify the numerical expression. Give your answer...

Question 14

Simplify the following expression. $$4 \cdot 6 + 7 \cdot 5$$

Accepted Answer

The answer of Simplify the following expression. \[4 \cdot 6...

Question 15

Simplify the numerical expression. Remember that fractions are not considered simplified unless they are reduced. $$\frac { 7 } { 8 } - \frac { 6 } { 7 }$$

Accepted Answer

A)  $\frac { 1 } { 56 }$ 
B)  $1$ 
C)  $\frac { 1 } { 4 }$ 
D)  $\text { D }$ 
E)  $\frac { 3 } { 4 }$ 
A)  $\frac { 1 } { 56 }$ 
B)  $1$ 
C)  $\frac { 1 } { 4 }$ 
D)  $\text { D }$ 
E)  $\frac { 3 } { 4 }$

Question 16

A truck can safely haul a one-ton load. If it is used to deliver $\frac { 1 } { 2 }$ ton of sand and $\frac { 1 } { 3 }$ ton of gravel, what portion of a ton of cement can safely be added to the load? __________ ton

Accepted Answer

The answer of A truck can safely haul a one-ton...

Question 17

Change 254 to base eight.

Accepted Answer

The answer of Change 254 to base eight.  ...

Question 18

Evaluate the following expression. $$( 5 + 15 ) ( 58 - 8 )$$

Accepted Answer

A)  $1,152$ 
B)  $867$ 
C)  $70$ 
D)  $1,000$ 
E)  none of these 
A)  $1,152$ 
B)  $867$ 
C)  $70$ 
D)  $1,000$ 
E)  none of these

Question 19

$5 \cdot 2 + 5 \cdot 11 - 19 = 46$

Accepted Answer

A) True 
 B)False

Question 20

Write the following number without using exponents. ( Multiply out.) $$3.7 \times 10 ^ { 3 }$$

Accepted Answer

The answer of Write the following number without using exponents....

Write the number in expanded form. $2,111.221 _\text { three }$

Simplify the numerical expression. Give your answer in reduced form. $\frac { 7 } { 42 } \times \frac { 7 } { 14 }$

Change the number $1,022 _\text { three }$ to base ten.

Change the mixed number to an improper fraction. $6 \frac { 3 } { 7 }$

$8 \cdot 10 + 7 \cdot 5 = 115$

Write the following number in decimal notation. $2.3 \times 10 ^ { 4 }$

Write $3.1 \times 10 ^ { 4 }$ in standard notation.

Convert the following mixed number to a decimal. $9 \frac { 1 } { 8 }$

Write the following number in decimal form. $4 \cdot 10 ^ { 4 } + 8 \cdot 10 + 9 + 9 \cdot 10 ^ { - 1 }$

What is the LCD of fractions with the denominators 12, 8, and 5?

Simplify the numerical expression. Give your answer in reduced form. $1 \frac { 1 } { 3 } \div 4 \frac { 1 } { 4 }$

Simplify the following expression. $4 \cdot 6 + 7 \cdot 5$

Simplify the numerical expression. Remember that fractions are not considered simplified unless they are reduced. $\frac { 7 } { 8 } - \frac { 6 } { 7 }$

A truck can safely haul a one-ton load. If it is used to deliver $\frac { 1 } { 2 }$ ton of sand and $\frac { 1 } { 3 }$ ton of gravel, what portion of a ton of cement can safely be added to the load? __________ ton

Change 254 to base eight.

Evaluate the following expression. $( 5 + 15 ) ( 58 - 8 )$

$5 \cdot 2 + 5 \cdot 11 - 19 = 46$

Write the following number without using exponents. ( Multiply out.) $3.7 \times 10 ^ { 3 }$

Sets of Numbers

Introduction to Algebra

Percents and Problem Solving

Introduction to Geometry

Measurement and Problem Solving

Applications of Percent

Sets and Logic

Probability

Statistics

Graphs

Filters

Exam 1: Arithmetic, Calculators, and Problem Solving

Write the number in expanded form. 2,111.221 three 2,111.221 _\text { three }2,111.221 three ​

Simplify the numerical expression. Give your answer in reduced form. 742×714\frac { 7 } { 42 } \times \frac { 7 } { 14 }427​×147​

Change the number 1,022 three 1,022 _\text { three }1,022 three ​ to base ten.

Change the mixed number to an improper fraction. 6376 \frac { 3 } { 7 }673​

8⋅10+7⋅5=1158 \cdot 10 + 7 \cdot 5 = 1158⋅10+7⋅5=115

Write the following number in decimal notation. 2.3×1042.3 \times 10 ^ { 4 }2.3×104

Write 3.1×1043.1 \times 10 ^ { 4 }3.1×104 in standard notation.

Convert the following mixed number to a decimal. 9189 \frac { 1 } { 8 }981​

Write the following number in decimal form. 4⋅104+8⋅10+9+9⋅10−14 \cdot 10 ^ { 4 } + 8 \cdot 10 + 9 + 9 \cdot 10 ^ { - 1 }4⋅104+8⋅10+9+9⋅10−1

What is the LCD of fractions with the denominators 12, 8, and 5?

Simplify the numerical expression. Give your answer in reduced form. 113÷4141 \frac { 1 } { 3 } \div 4 \frac { 1 } { 4 }131​÷441​

Simplify the following expression. 4⋅6+7⋅54 \cdot 6 + 7 \cdot 54⋅6+7⋅5

Simplify the numerical expression. Remember that fractions are not considered simplified unless they are reduced. 78−67\frac { 7 } { 8 } - \frac { 6 } { 7 }87​−76​

A truck can safely haul a one-ton load. If it is used to deliver 12\frac { 1 } { 2 }21​ ton of sand and 13\frac { 1 } { 3 }31​ ton of gravel, what portion of a ton of cement can safely be added to the load? __________ ton

Change 254 to base eight.

Evaluate the following expression. (5+15)(58−8)( 5 + 15 ) ( 58 - 8 )(5+15)(58−8)

5⋅2+5⋅11−19=465 \cdot 2 + 5 \cdot 11 - 19 = 465⋅2+5⋅11−19=46

Write the following number without using exponents. ( Multiply out.) 3.7×1033.7 \times 10 ^ { 3 }3.7×103

Sets of Numbers

Introduction to Algebra

Percents and Problem Solving

Introduction to Geometry

Measurement and Problem Solving

Applications of Percent

Sets and Logic

Probability

Statistics

Graphs

Filters

Write the number in expanded form. $2,111.221 _\text { three }$

Simplify the numerical expression. Give your answer in reduced form. $\frac { 7 } { 42 } \times \frac { 7 } { 14 }$

Change the number $1,022 _\text { three }$ to base ten.

Change the mixed number to an improper fraction. $6 \frac { 3 } { 7 }$

$8 \cdot 10 + 7 \cdot 5 = 115$

Write the following number in decimal notation. $2.3 \times 10 ^ { 4 }$

Write $3.1 \times 10 ^ { 4 }$ in standard notation.

Convert the following mixed number to a decimal. $9 \frac { 1 } { 8 }$

Write the following number in decimal form. $4 \cdot 10 ^ { 4 } + 8 \cdot 10 + 9 + 9 \cdot 10 ^ { - 1 }$

Simplify the numerical expression. Give your answer in reduced form. $1 \frac { 1 } { 3 } \div 4 \frac { 1 } { 4 }$

Simplify the following expression. $4 \cdot 6 + 7 \cdot 5$

Simplify the numerical expression. Remember that fractions are not considered simplified unless they are reduced. $\frac { 7 } { 8 } - \frac { 6 } { 7 }$

A truck can safely haul a one-ton load. If it is used to deliver $\frac { 1 } { 2 }$ ton of sand and $\frac { 1 } { 3 }$ ton of gravel, what portion of a ton of cement can safely be added to the load? __________ ton

Evaluate the following expression. $( 5 + 15 ) ( 58 - 8 )$

$5 \cdot 2 + 5 \cdot 11 - 19 = 46$

Write the following number without using exponents. ( Multiply out.) $3.7 \times 10 ^ { 3 }$