Basic Math Examples

5 \cdot 18

$5 \cdot 18$

Step 1

Multiply using long multiplication.

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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

18

$18$ .

Step 1.2

Multiply

1

$1$ by

5

$5$ . Place the result in the next column in the result line. There is one result line for each digit in

18

$18$ .

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 + 5

$4 + 5$ , then place the

9

$9$ in the result line.

Step 2

The result of

5 \cdot 18

$5 \cdot 18$ is

90

$90$ .

90

$90$