The concept of last digit

The unit's digit of 13²⁰⁰³ is

The digit in the unit's place of the number 123⁹⁹ is

What is the unit's digit of 2³⁴⁵?

The digit in the unit's place of the number (67)²⁵ −1 must be

The unit's digit in the product 274×318×577×313 is

In the product 459×46×28*×484, the digit in the unit place is 8. The digit to come in place of * is

The digit in the unit place of the number represented by (7⁹⁵−3⁵⁸) is

Unit's digit in (784)¹²⁶+(784)¹²⁷ is

The digit in the unit's place of [(251)⁹⁸+(21)²⁹−(106)¹⁰⁰+(705)³⁵−16⁴+259] is

The digit in the unit's place of the product (2464)¹⁷⁹³×(615)³¹⁷×(131)⁴⁹¹ is