Calculus Examples

28 \cdot 3

$28 \cdot 3$

Step 1

Multiply using long multiplication.

Tap for more steps...

Step 1.1

Multiply

3

$3$ by

8

$8$ . Place the ones digit

(4)

$(4)$ in the result line and carry the tens digit

(2)

$(2)$ . There is one result line for each digit in

3

$3$ .

	$2$ $2$
	$2$ $2$	$8$ $8$
$⨯$ $⨯$		$3$ $3$
		$4$ $4$

Step 1.2

Multiply

3

$3$ by

2

$2$ and add the carried

2

$2$ . Place the result in the next column in the result line. There is one result line for each digit in

3

$3$ .


	$2$ $2$	$8$ $8$
$⨯$ $⨯$		$3$ $3$
	$8$ $8$	$4$ $4$

Step 1.3

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

4

$4$ , then place the

4

$4$ in the result line.


	$2$ $2$	$8$ $8$
$⨯$ $⨯$		$3$ $3$
	$8$ $8$	$4$ $4$
		$4$ $4$

Step 1.4

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

8

$8$ , then place the

8

$8$ in the result line.


	$2$ $2$	$8$ $8$
$⨯$ $⨯$		$3$ $3$
	$8$ $8$	$4$ $4$
	$8$ $8$	$4$ $4$


	$2$ $2$	$8$ $8$
$⨯$ $⨯$		$3$ $3$
	$8$ $8$	$4$ $4$
	$8$ $8$	$4$ $4$

Step 2

The result of

28 \cdot 3

$28 \cdot 3$ is

84

$84$ .

84

$84$

28 \cdot 3

$28 \cdot 3$

(

)

[

]

√



≥



∫













≤

















∞













