Basic Math Examples

72 \cdot 7

$72 \cdot 7$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

7

$7$ by

2

$2$ . Place the ones digit

(4)

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

(1)

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

7

$7$ .

Step 1.2

Multiply

7

$7$ by

7

$7$ and add the carried

1

$1$ . Place the ones digit

(0)

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

(5)

$(5)$ . There is one result line for each digit in the

7

$7$ .

Step 1.3

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

4

$4$ , then place the

4

$4$ in the result line.

Step 1.4

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

0

$0$ , then place the

0

$0$ in the result line.

Step 1.5

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

5

$5$ , then place the

5

$5$ in the result line.

Step 2

The result of

72 \cdot 7

$72 \cdot 7$ is

504

$504$ .

504

$504$