Finite Math Examples

45 \cdot 8

$45 \cdot 8$

Step 1

Multiply using long multiplication.

Tap for more steps...

Step 1.1

Multiply

8

$8$ by

5

$5$ . Place the ones digit

(0)

$(0)$ in the result line and carry the tens digit

(4)

$(4)$ . There is one result line for each digit in

8

$8$ .

	$4$ $4$
	$4$ $4$	$5$ $5$
$⨯$ $⨯$		$8$ $8$
		$0$ $0$

Step 1.2

Multiply

8

$8$ by

4

$4$ and add the carried

4

$4$ . Place the ones digit

(6)

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

(3)

$(3)$ . There is one result line for each digit in the

8

$8$ .


	$4$ $4$	$5$ $5$
$⨯$ $⨯$		$8$ $8$
$3$ $3$	$6$ $6$	$0$ $0$

Step 1.3

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

0

$0$ , then place the

0

$0$ in the result line.


	$4$ $4$	$5$ $5$
$⨯$ $⨯$		$8$ $8$
$3$ $3$	$6$ $6$	$0$ $0$
		$0$ $0$

Step 1.4

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

6

$6$ , then place the

6

$6$ in the result line.


	$4$ $4$	$5$ $5$
$⨯$ $⨯$		$8$ $8$
$3$ $3$	$6$ $6$	$0$ $0$
	$6$ $6$	$0$ $0$

Step 1.5

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

3

$3$ , then place the

3

$3$ in the result line.


	$4$ $4$	$5$ $5$
$⨯$ $⨯$		$8$ $8$
$3$ $3$	$6$ $6$	$0$ $0$
$3$ $3$	$6$ $6$	$0$ $0$


	$4$ $4$	$5$ $5$
$⨯$ $⨯$		$8$ $8$
$3$ $3$	$6$ $6$	$0$ $0$
$3$ $3$	$6$ $6$	$0$ $0$

Step 2

The result of

45 \cdot 8

$45 \cdot 8$ is

360

$360$ .

360

$360$

45 \cdot 8

$45 \cdot 8$

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