What is longmult 256*4 ?

The solution to longmult 256*4 is 1024

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longmult 256*4

long multiplication

256 \cdot 4

1024

Solution steps

256 \cdot 4

Line up the numbers

\times 2564

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:

6 \cdot 4 = 24

Carry

2

to the column on the left and write

4

in the result line

\frac{\times 2 2 5 6 4}{4}

Add the carried number to the multiplication:

2 + 5 \cdot 4 = 22

Carry

2

to the column on the left and write

2

in the result line

\frac{\times 2 2 2 5 6 4}{2 4}

Add the carried number to the multiplication:

2 + 2 \cdot 4 = 10

Carry

1

to the column on the left and write

0

in the result line

\frac{\times 1 2 2 2 5 6 4}{0 2 4}

Add the carried digit,

1

, to the result

\frac{\times 1 2 2 2 5 6 4}{1 0 2 4}

= 1024

180 \cdot 3

- 1 - 3 - (- 9) + (- 5)

40 - \frac{32}{8} + 5 \cdot (- 2)

2 \cdot 3^{3}

2^{5} \cdot 3^{5}