Determine All Possible Digits to Place in the Square That $$4 , \square 21 \text { is divisible by } 4$$

question 110

Short Answer

Determine all possible digits to place in the square that make the statement true. If none exist, state this.
- $$4 , \square 21 \text { is divisible by } 4$$

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Definitions:

Surprise

A sudden and often unexpected event that necessitates an immediate and adaptative response from the affected parties.

Inertia

In physics, the tendency of an object to resist any change in its motion, including a change in speed or direction; in a figurative sense, a resistance to change or action.

Poor Timing

Instances where actions or decisions are made too early or too late, leading to suboptimal outcomes.

Lack of Trust

A situation or relationship in which confidence or belief in reliability, truth, ability, or strength of someone or something is absent or diminished.