Quickly finding the quintuple of -64

To quickly find the quintuple of -64, you multiply -64 by 5. This operation means you are taking the original number -64 and increasing it fivefold. Multiplying by 5 is the same as adding -64 to itself five times, which simplifies the calculation and gives the total amount in just one step. When you calculate -320 by multiplying -64 by 5, you receive the quintuple of -64. This approach is efficient and applies to any number you choose for -64. For example, if -64 were 7, then 7 multiplied by 5 would give -320 as 35. This method allows you to quickly find five times any number using simple multiplication.