Question

3. What will be the unit digit of the square of the following numbers? (a) 1232 (b) 48496 (C) 3243 (d) 14324 (e) 12325 (f) 14327 (g) 4168 (h) 1239 (i) 2320 answers please​

Answer 1

What will be the unit digit of the square of the following numbers?

(a) 1232

(b) 48496

(c) 3243

(d) 14324

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Question

What will be the unit digit of the square of the following numbers?

(a) 1232

(b) 48496

(c) 3243

(d) 14324

Answer

(a) 4

(b) 6

(c) 9

(d) 6

Solution

We can find the unit digit of square of a number by squaring its unit digit. If square of unit digit is a two digit number then we will take unit digit of that number.

(a) 1232: the square of the unit digit 2 is 4. Hence the unit digit of square number is 4.

(b) 48496: the square of the unit digit 6 is 36. Hence, the unit digit of square number is 6.

(c) 3243: the square of the unit digit 3 is 9. Hence, the unit digit of square number is 9.

(d) 14324: the square of the unit digit is 16.Hence, the unit digit of square number is 6.

Answer 2

Answer:

1'6'8'3'4

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Step-by-step explanation:

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