Pre-Algebra Examples

$41 - 3^{2} + 8 \cdot 2.3 - 15 + 2.1 \cdot 4$

Step 1

Simplify each term.

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Step 1.1

Raise $3$ to the power of $2$ .

$41 - 1 \cdot 9 + 8 \cdot 2.3 - 15 + 2.1 \cdot 4$

Step 1.2

Multiply $- 1$ by $9$ .

$41 - 9 + 8 \cdot 2.3 - 15 + 2.1 \cdot 4$

Step 1.3

Multiply $8$ by $2.3$ .

$41 - 9 + 18.4 - 15 + 2.1 \cdot 4$

Step 1.4

Multiply $2.1$ by $4$ .

$41 - 9 + 18.4 - 15 + 8.4$

$41 - 9 + 18.4 - 15 + 8.4$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Subtract $9$ from $41$ .

$32 + 18.4 - 15 + 8.4$

Step 2.2

Add $32$ and $18.4$ .

$50.4 - 15 + 8.4$

Step 2.3

Subtract $15$ from $50.4$ .

$35.4 + 8.4$

Step 2.4

Add $35.4$ and $8.4$ .

$43.8$

$43.8$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$