Algebra Examples

8 \cdot 15

$8 \cdot 15$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

5

$5$ by

8

$8$ . 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

15

$15$ .

Step 1.2

Multiply

1

$1$ by

8

$8$ . Place the result in the next column in the result line. There is one result line for each digit in

15

$15$ .

Step 1.3

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

0 + 0

$0 + 0$ , then place the

0

$0$ in the result line.

Step 1.4

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

4 + 8

$4 + 8$ , then place the

2

$2$ in the result line and carry the

1

$1$ .

Step 2

The result of

8 \cdot 15

$8 \cdot 15$ is

120

$120$ .

120

$120$