What is longmult 40*25 ?

The solution to longmult 40*25 is 1000

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longmult 40*25

long multiplication

40 \cdot 25

1000

Solution steps

40 \cdot 25

Line up the numbers

\times 4205

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 4205

Mutliply the bold numbers:

0 \cdot 5 = 0

\frac{\times 4 2 0 5}{0}

Mutliply the bold numbers:

4 \cdot 5 = 20

Carry

2

to the column on the left and write

0

in the result line

\frac{\times 2 4 2 0 5}{0 0}

Add the carried digit,

2

, to the result

\frac{\times 2 4 2 0 5}{2 0 0}

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

\frac{\times 4 2 0 5}{2 0 0}

Mutliply the bold numbers:

0 \cdot 2 = 0

\frac{\times 4 2 0 5}{2 0 0 0}

Mutliply the bold numbers:

4 \cdot 2 = 8

\frac{\times 4 2 0 5}{2 8 0 0 0}

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

\frac{\times 4 2 0 5}{2 8 0 0 0 0}

200 + 800 = 1000

= 1000

(2 + 2)^{2}

\frac{12}{24}

3 \cdot 4 \cdot 5

60 \cdot 60

\frac{1000}{0.07}