Algebra Examples

28 \cdot 2

$28 \cdot 2$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

$2$ by

$8$ . Place the ones digit

$(6)$ in the result line and carry the tens digit

$(1)$ . There is one result line for each digit in

$2$ .

	$1$
	$2$	$8$
$⨯$		$2$
		$6$

Step 1.2

Multiply

$2$ by

$2$ and add the carried

$1$ . Place the result in the next column in the result line. There is one result line for each digit in

$2$ .


	$2$	$8$
$⨯$		$2$
	$5$	$6$

Step 1.3

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

$6$ , then place the

$6$ in the result line.


	$2$	$8$
$⨯$		$2$
	$5$	$6$
		$6$

Step 1.4

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

$5$ , then place the

$5$ in the result line.


	$2$	$8$
$⨯$		$2$
	$5$	$6$
	$5$	$6$


	$2$	$8$
$⨯$		$2$
	$5$	$6$
	$5$	$6$

Step 2

The result of

$28 \cdot 2$ is

$56$ .

$56$

$28 \cdot 2$

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