What is longmult 300*100 ?

The solution to longmult 300*100 is 30000

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Multiply 300*100

long multiplication

300 \cdot 100

30000

Solution steps

300 \cdot 100

Line up the numbers

\times 310000

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

Multiply the top number by the bolded digit of the bottom number

\times 310000

Mutliply the bold numbers:

0 \cdot 0 = 0

\frac{\times 3 1 0 0 0 0}{0}

Mutliply the bold numbers:

0 \cdot 0 = 0

\frac{\times 3 1 0 0 0 0}{0 0}

Mutliply the bold numbers:

3 \cdot 0 = 0

\frac{\times 3 1 0 0 0 0}{0 0 0}

Multiply the top number by the bolded digit of the bottom number

\frac{\times 3 1 0 0 0 0}{0 0 0}

Mutliply the bold numbers:

0 \cdot 0 = 0

\frac{\times 3 1 0 0 0 0}{0 0 0 0}

Mutliply the bold numbers:

0 \cdot 0 = 0

\frac{\times 3 1 0 0 0 0}{0 0 0 0 0}

Mutliply the bold numbers:

3 \cdot 0 = 0

\frac{\times 3 1 0 0 0 0}{0 0 0 0 0 0}

Multiply the top number by the bolded digit of the bottom number

\frac{\times 3 1 0 0 0 0}{0 0 0 0 0 0}

Mutliply the bold numbers:

0 \cdot 1 = 0

\frac{\times 3 1 0 0 0 0}{0 0 0 0 0 0 0}

Mutliply the bold numbers:

0 \cdot 1 = 0

\frac{\times 3 1 0 0 0 0}{0 0 0 0 0 0 0 0}

Mutliply the bold numbers:

3 \cdot 1 = 3

\frac{\times 3 1 0 0 0 0}{3 0 0 0 0 0 0 0 0}

Add the rows to get the answer. For simplicity, fill in trailing zeros

\frac{\times 3 1 0 0 0 0}{0 0 3 0 0 0 0 0 0 0 0 0 0 0 0}

0 + 0 + 30000 = 30000

+ 003000000000000