What is longmult 1.5*1.5 ?

The solution to longmult 1.5*1.5 is 2.25

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longmult 1.5*1.5

long multiplication

1.5 \cdot 1.5

2.25

Solution steps

1.5 \cdot 1.5

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

15 \cdot 15 = 225

15 \cdot 15

Line up the numbers

\times 1155

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 1155

Mutliply the bold numbers:

5 \cdot 5 = 25

Carry

2

to the column on the left and write

5

in the result line

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

Add the carried number to the multiplication:

2 + 1 \cdot 5 = 7

\frac{\times 2 1 1 5 5}{7 5}

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

\frac{\times 1 1 5 5}{7 5}

Mutliply the bold numbers:

5 \cdot 1 = 5

\frac{\times 1 1 5 5}{7 5 5}

Mutliply the bold numbers:

1 \cdot 1 = 1

\frac{\times 1 1 5 5}{1 7 5 5}

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

\frac{\times 1 1 5 5}{0 1 7 5 5 0}

75 + 150 = 225

+ 017550

Add the digits of the bolded column:

5 + 0 = 5

\frac{+ 0 1 7 5 5 0}{+ 5}

Add the digits of the bolded column:

7 + 5 = 12

\frac{+ 0 1 7 5 5 0}{+ 5}

Carry

1

to the column on the left and write

2

in the bolded column

\frac{+ 1 0 1 7 5 5 0}{+ 2 5}

Add the digits of the bolded column:

1 + 0 + 1 = 2

\frac{+ 1 0 1 7 5 5 0}{+ 2 2 5}

= 225

= 225

1.5

has

1

decimal place

1.5

has

1

decimal place

= 2.25

4 \cdot 3 \cdot 2 \cdot 1

(- 2^{2})^{3}

8 \cdot 4 + 9 - 9 + 18

3 \cdot 4^{2}

\frac{0.012}{0.6}