Quickly finding the quintuple of -21

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Answer

= -105

Input:-21

Resolution

= Quickly finding the quintuple of -21
= (-21 * 5)
= -105

Explanation

To quickly find the quintuple of -21, you multiply -21 by 5. This operation means you are taking the original number -21 and increasing it fivefold. Multiplying by 5 is the same as adding -21 to itself five times, which simplifies the calculation and gives the total amount in just one step. When you calculate -105 by multiplying -21 by 5, you receive the quintuple of -21. This approach is efficient and applies to any number you choose for -21. For example, if -21 were 7, then 7 multiplied by 5 would give -105 as 35. This method allows you to quickly find five times any number using simple multiplication.