What is longmult 2.25*10 ?

The solution to longmult 2.25*10 is 22.5

Multiply 2.25*10

long multiplication

2.25 \cdot 10

22.5

Solution steps

2.25 \cdot 10

Multiply without the decimal points, then put the decimal point in the answer

225 \cdot 10 = 2250

225 \cdot 10

Line up the numbers

\times 22150

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 22150

Mutliply the bold numbers:

5 \cdot 0 = 0

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

Mutliply the bold numbers:

2 \cdot 0 = 0

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

Mutliply the bold numbers:

2 \cdot 0 = 0

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

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

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

Mutliply the bold numbers:

5 \cdot 1 = 5

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

Mutliply the bold numbers:

2 \cdot 1 = 2

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

Mutliply the bold numbers:

2 \cdot 1 = 2

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

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

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

0 + 2250 = 2250

+ 02020500

Add the digits of the bolded column:

0 + 0 = 0

\frac{+ 0 2 0 2 0 5 0 0}{+ 0}

Add the digits of the bolded column:

0 + 5 = 5

\frac{+ 0 2 0 2 0 5 0 0}{+ 5 0}

Add the digits of the bolded column:

0 + 2 = 2

\frac{+ 0 2 0 2 0 5 0 0}{+ 2 5 0}

Add the digits of the bolded column:

0 + 2 = 2

\frac{+ 0 2 0 2 0 5 0 0}{+ 2 2 5 0}

= 2250

= 2250

2.25

has

2

decimal places

10

has

0

decimal places

= 22.50

Refine

= 22.5

175

- 2.4

\frac{64}{5}

64 \cdot 3.14

10.8