Basic Math Examples

4 \cdot 30

$4 \cdot 30$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

0

$0$ by

4

$4$ . Place the result in the next column in the result line. There is one result line for each digit in

30

$30$ .

Step 1.2

Multiply

3

$3$ by

4

$4$ . Place the ones digit

(2)

$(2)$ in the result line and carry the tens digit

(1)

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

30

$30$ .

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

0 + 2

$0 + 2$ , then place the

2

$2$ in the result line.

Step 1.5

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

0 + 1

$0 + 1$ , then place the

1

$1$ in the result line.

Step 2

The result of

4 \cdot 30

$4 \cdot 30$ is

120

$120$ .

120

$120$