Calculating eight times -5 value

When calculating eight times the value of -5, multiplication is the most efficient method because it replaces repeated addition. Instead of adding -5 to itself eight times, you multiply -5 by 8. This operation is written as (-5 * 8) and represents the final amount that is eight times greater than the initial number -5. To work through this, begin with the number represented by -5. Then multiply this number by 8 to find the scaled-up value. The outcome of this multiplication is saved in -40. This shows that -40 is exactly eight times the size of -5, illustrating how multiplication provides a quick way to handle repeated addition and scale quantities efficiently.