What is longmult 40*10 ?

The solution to longmult 40*10 is 400

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Multiply 40*10

long multiplication

40 \cdot 10

400

Solution steps

40 \cdot 10

Line up the numbers

\times 4100

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 4100

Mutliply the bold numbers:

0 \cdot 0 = 0

\frac{\times 4 1 0 0}{0}

Mutliply the bold numbers:

4 \cdot 0 = 0

\frac{\times 4 1 0 0}{0 0}

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

\frac{\times 4 1 0 0}{0 0}

Mutliply the bold numbers:

0 \cdot 1 = 0

\frac{\times 4 1 0 0}{0 0 0}

Mutliply the bold numbers:

4 \cdot 1 = 4

\frac{\times 4 1 0 0}{4 0 0 0}

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

\frac{\times 4 1 0 0}{0 4 0 0 0 0}

0 + 400 = 400

+ 040000

Add the digits of the bolded column:

0 + 0 = 0

\frac{+ 0 4 0 0 0 0}{+ 0}

Add the digits of the bolded column:

0 + 0 = 0

\frac{+ 0 4 0 0 0 0}{+ 0 0}

Add the digits of the bolded column:

0 + 4 = 4

\frac{+ 0 4 0 0 0 0}{+ 4 0 0}

= 400

= 400

100 - 33

t h e \frac{285}{180}

4.2

14, 28

135 - 45