What is longmult 243*3 ?

The solution to longmult 243*3 is 729

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longmult 243*3

long multiplication

243 \cdot 3

729

Solution steps

243 \cdot 3

Line up the numbers

\times 2433

Multiply the top number by the bottom number one digit at a time starting with the ones digit (from right to left)

Mutliply the bold numbers:

3 \cdot 3 = 9

\frac{\times 2 4 3 3}{9}

Mutliply the bold numbers:

4 \cdot 3 = 12

Carry

1

to the column on the left and write

2

in the result line

\frac{\times 1 2 4 3 3}{2 9}

Add the carried number to the multiplication:

1 + 2 \cdot 3 = 7

\frac{\times 1 2 4 3 3}{7 2 9}

= 729

\frac{18}{24}

1.5 \cdot 1.5

4 \cdot 3 \cdot 2 \cdot 1

(- 2^{2})^{3}

8 \cdot 4 + 9 - 9 + 18