How do you find the unit digit?

Units digit of a number is the digit in the one’s place of the number. i.e It is the rightmost digit of the number. For example, the units digit of 243 is 3, the units digit of 39 is 9.

How do you find the unit digit of a factorial?

Naive Approach: In this approach, simply calculate factorial of each number and find sum of these. Finally get the unit place digit of sum….Find the unit place digit of sum of N factorials

1. =
2. =
3. =
4. =
5. = 120.
6. = 720.
7. = 5040.

What is the unit place of 1234?

6. Hint – In order to find the unit digit of the square of the given number 1234, it is enough if we square the unit digit of 1234.

What is the last digit in the expansion of 1 2 3 1000?

So the last digit is 1.

What is the unit digit of 3 34?

Hence, the unit digit of 3 to the power 34 will be 9.

How do you find the unit digit of 3?

31 = 3, 32 = 9, 33 = 27 & 34 = 81 and after that it starts repeating. So, the cyclicity of 3 has 4 different numbers 3, 9, 7, 1.

What is the unit digit of 26?

Answer – Unit digit in the square of 26 is 6.

What is the unit digit of 98?

R D Sharma – Mathematics 9 The answer key says that the answer is 58.

What is the unit digit of 3853?

9
Reason: Unit digit of 3853 is 3 and 32 = 9, therefore unit digit of square of 3853 is 9. Reason: Unit digit of 1234 is 4 and 42 = 16, and the unit digit of 16 is 6. Therefore the unit digit of the square of 1234 is 6. Reason: Unit digit of 26387 is 7 and 72 = 49, and the unit digit of 49 is 9.

What is the unit digit of 26387?

The unit digit of the square of number 7 is 9. Therefore, the unit digit of the square of 26387 is also 9.

How do you find the last digit?

To find last digit of a number, we use modulo operator \%. When modulo divided by 10 returns its last digit. To finding first digit of a number is little expensive than last digit. To find first digit of a number we divide the given number by 10 until number is greater than 10.

What is the unit digit of the given number?

So unit digit of the given number is 6 Solution: Here The unit place having ” 1″ so the final number is also comes ” 1″ as a unit place Hint: The last digit of any number having “9” then power having even number then unit place comes 1 and power having odd number then unit place comes 9

What is the unit digit of (3547)153 x (251)72?

Cyclicity of 10 is 1. Find the unit digit in the product : (3547) 153 x (251) 72 In (3547) 153, unit digit is 7. The cyclicity of 7 is 4. Dividing 153 by 4, we get 1 as remainder. So, the unit digit of 7153 is 7. In 251 72, unit digit is 1. Because 1 has the cyclicity 1, the unit digit of 251 72 is 1. (3547)153 x (251)72 is 7.

What is the unit digit of (625)317?

Since 5 has the cyclicity 1, the unit digit of (625)317 is 5. In (341)491, unit digit is 1. Since 1 has the cyclicity 1, the unit digit of (341)491 is 1. The unit digit of 20 is ‘0’.

What is the unit digit of (6374) 1793?

Find unit digit in the product : (6374) 1793 x (625) 317 x (341) 491 In (6374)1793, unit digit is 4. The cyclicity of 4 is 2. Dividing 1793 by 4, we get 1 as remainder. So, the u nit digit of (6374)1793 is 4. In (625)317, unit digit is 5. Since 5 has the cyclicity 1, the unit digit of (625)317 is 5.