Question

What is ( 1/2 ) * ( 10 in ) * ( 8.7in ) ?? =

Answer 1

Answer: $43.5\ in^2$

Step-by-step explanation:

 An Inch or Inches (in plural) is an unit lenght. Its abbreviation can be:

 $"$ or $in$

 A Square inch or Square inches (in plural) is a unit of area and its abbreviation can be:

$in^2$

 The given expression is:

$(\frac{1}{2})(10\ in)(8.7\ in)$

You can rewrite it in this form:

$(\frac{1}{2})(\frac{10\ in}{1})(\frac{8.7\ in}{1})$

Then, you can follow these steps in order  to solve it:

Step 1: Multiply the numerators (Remember that $in*in=in^2$).

Step 2: Multiply the denominators.

Step 3: Finally, divide the product in the numerator by the product in the denominator

Threfore, you get the following result:

$=\frac{(1)(10\ in)(8.7\ in)}{2*1*1}=\frac{87\ in^2}{2}=43.5\ in^2$