Question

What is the one's digit of the cube of 3031

Answer 1

1 will be in the unit place of the cube of the digit.

• The question can be answered using the concept of power cycle
• The last digit of any number in the form aᵇ can be found based on the sequence of the last digit of 'a' raise to the power.
• 1¹ = 1
• 1² = 1
• 1³ = 1.
• power cycle of 1 is 1,1,1,1 itself.
• So basically the cube of 3031 will have one in the unit place.

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