Quickly finding the quintuple of -8

To quickly find the quintuple of -8, you multiply -8 by 5. This operation means you are taking the original number -8 and increasing it fivefold. Multiplying by 5 is the same as adding -8 to itself five times, which simplifies the calculation and gives the total amount in just one step. When you calculate -40 by multiplying -8 by 5, you receive the quintuple of -8. This approach is efficient and applies to any number you choose for -8. For example, if -8 were 7, then 7 multiplied by 5 would give -40 as 35. This method allows you to quickly find five times any number using simple multiplication.