Question

Evaluate each expression using properties of numbers. Name the property used in each step.

$8·0.5·5$

Short answer

The value of the given expression is $20$.

Step-by-step solution

Step 1. Method of applying the order of operations.

1. Evaluate expressions inside grouping symbols.
2. Evaluate all powers.
3. Multiply and/or divide in order from left to right.
4. Add or subtract in order from left to right.

Step 2. Evaluating the expression.

$8·0.5·5=4·5\left[\mathrm{Substitution}\right]$

Step 3. Simplifying the expression.

$4·5=20\left[\mathrm{Substitution}\right]$