What is longmult 25*12 ?

The solution to longmult 25*12 is 300

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longmult 25*12

long multiplication

25 \cdot 12

300

Solution steps

25 \cdot 12

Line up the numbers

\times 2152

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 2152

Mutliply the bold numbers:

5 \cdot 2 = 10

Carry

1

to the column on the left and write

0

in the result line

\frac{\times 1 2 1 5 2}{0}

Add the carried number to the multiplication:

1 + 2 \cdot 2 = 5

\frac{\times 1 2 1 5 2}{5 0}

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

\frac{\times 2 1 5 2}{5 0}

Mutliply the bold numbers:

5 \cdot 1 = 5

\frac{\times 2 1 5 2}{5 5 0}

Mutliply the bold numbers:

2 \cdot 1 = 2

\frac{\times 2 1 5 2}{2 5 5 0}

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

\frac{\times 2 1 5 2}{0 2 5 5 0 0}

50 + 250 = 300

= 300

2 \cdot 2 \cdot 2 \cdot 2

3 (5)^{3} + 10

\frac{50}{2}

8 \div 2 \cdot (2 + 2)

38.61 + 36.841