Finite Math Examples

$\ln (10) [\begin{array}{c} 1 & 10 & 2 \\ 7 & 3 & - 2 \\ 0 & 1 & 5 \end{array}]$

Step 1

Multiply $\ln (10)$ by each element of the matrix.

$[\begin{array}{c} \ln (10) \cdot 1 & \ln (10) \cdot 10 & \ln (10) \cdot 2 \\ \ln (10) \cdot 7 & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2

Simplify each element in the matrix.

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Step 2.1

Multiply $\ln (10)$ by $1$ .

$[\begin{array}{c} \ln (10) & \ln (10) \cdot 10 & \ln (10) \cdot 2 \\ \ln (10) \cdot 7 & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.2

Multiply $\ln (10) \cdot 10$ .

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Step 2.2.1

Reorder $\ln (10)$ and $10$ .

$[\begin{array}{c} \ln (10) & 10 \cdot \ln (10) & \ln (10) \cdot 2 \\ \ln (10) \cdot 7 & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.2.2

Simplify $10 \cdot \ln (10)$ by moving $10$ inside the logarithm.

$[\begin{array}{c} \ln (10) & \ln (10^{10}) & \ln (10) \cdot 2 \\ \ln (10) \cdot 7 & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.3

Raise $10$ to the power of $10$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (10) \cdot 2 \\ \ln (10) \cdot 7 & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.4

Multiply $\ln (10) \cdot 2$ .

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Step 2.4.1

Reorder $\ln (10)$ and $2$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & 2 \cdot \ln (10) \\ \ln (10) \cdot 7 & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.4.2

Simplify $2 \cdot \ln (10)$ by moving $2$ inside the logarithm.

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (10^{2}) \\ \ln (10) \cdot 7 & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.5

Raise $10$ to the power of $2$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10) \cdot 7 & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.6

Multiply $\ln (10) \cdot 7$ .

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Step 2.6.1

Reorder $\ln (10)$ and $7$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ 7 \cdot \ln (10) & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.6.2

Simplify $7 \cdot \ln (10)$ by moving $7$ inside the logarithm.

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10^{7}) & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.7

Raise $10$ to the power of $7$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (10) \cdot 3 & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.8

Multiply $\ln (10) \cdot 3$ .

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Step 2.8.1

Reorder $\ln (10)$ and $3$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & 3 \cdot \ln (10) & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.8.2

Simplify $3 \cdot \ln (10)$ by moving $3$ inside the logarithm.

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (10^{3}) & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.9

Raise $10$ to the power of $3$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & \ln (10) \cdot - 2 \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.10

Multiply $\ln (10) \cdot - 2$ .

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Step 2.10.1

Reorder $\ln (10)$ and $- 2$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & - 2 \cdot \ln (10) \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.10.2

Simplify $- 2 \cdot \ln (10)$ by moving $2$ inside the logarithm.

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & - \ln (10^{2}) \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.11

Raise $10$ to the power of $2$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & - \ln (100) \\ \ln (10) \cdot 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.12

Multiply $\ln (10)$ by $0$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & - \ln (100) \\ 0 & \ln (10) \cdot 1 & \ln (10) \cdot 5 \end{array}]$

Step 2.13

Multiply $\ln (10)$ by $1$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & - \ln (100) \\ 0 & \ln (10) & \ln (10) \cdot 5 \end{array}]$

Step 2.14

Multiply $\ln (10) \cdot 5$ .

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Step 2.14.1

Reorder $\ln (10)$ and $5$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & - \ln (100) \\ 0 & \ln (10) & 5 \cdot \ln (10) \end{array}]$

Step 2.14.2

Simplify $5 \cdot \ln (10)$ by moving $5$ inside the logarithm.

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & - \ln (100) \\ 0 & \ln (10) & \ln (10^{5}) \end{array}]$

Step 2.15

Raise $10$ to the power of $5$ .

$[\begin{array}{c} \ln (10) & \ln (10000000000) & \ln (100) \\ \ln (10000000) & \ln (1000) & - \ln (100) \\ 0 & \ln (10) & \ln (100000) \end{array}]$