Algebra Examples

9 \cdot 18

$9 \cdot 18$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

$8$ by

$9$ . Place the ones digit

$(2)$ in the result line and carry the tens digit

$(7)$ . There is one result line for each digit in

$18$ .

Step 1.2

Multiply

$1$ by

$9$ . Place the result in the next column in the result line. There is one result line for each digit in

$18$ .

Step 1.3

Add the numbers in each column. In this case, add

$2 + 0$ , then place the

$2$ in the result line.

Step 1.4

Add the numbers in each column. In this case, add

$7 + 9$ , then place the

$6$ in the result line and carry the

$1$ .

Step 2

The result of

$9 \cdot 18$ is

$162$ .

$162$