Question

Multiply.(-8) x 11Enter the answer in the box.

Answer 1

We are going to look at the process of multiplying two real numbers. All real numbers are accompained by a digit and a sign.

The resulting magnitude of two real numbers to be multiplied is straighforward basics. Howver, certain rules are followed to determine the resultant sign of the magnitude as follows:

`\begin{gathered} -\text{ }\text{\textcolor{#FF7968}{x}}\text{ + = -} \\ +\text{ }\text{\textcolor{#FF7968}{x}}\text{ - = -} \\ +\text{ }\text{\textcolor{#FF7968}{x}}\text{ + = +} \\ -\text{ }\text{\textcolor{#FF7968}{x}}\text{ - = +} \end{gathered}`

We will use the above rules to determine the final result of multiplying two real numbers as follows:

`-\text{ 8 x 11}`

For magnitude we will ignore the signs and just apply the mathematical operator of multiplication as follows:

`\text{ 8 x 11 = 88}`

For determining the sign of the result we will use the rules states above:

`-\text{ }\text{\textcolor{#FF7968}{x}}\text{ + = -}`

Hence, the result of the multiplication is:

`\textcolor{#FF7968}{-88}`