Question

3. The square of 27 ends with the digit a) 4 b) 6 c) 9​

Answer 1

Answer:

c) 9

because 7×7=49 and the Last digit is 9

so 9 will be the ending digit

hope this helps ❤️

Answer 2

Step-by-step explanation:

• A natural number is called a perfect square if it is the square of

some natural number.

i.e., if m = n2, then m is a perfect square where m and n are natural

numbers.

• A natural number is called a perfect cube if it is the cube of some

natural number.

i.e., if m = n3, then m is a perfect cube where m and n are natural

numbers.

• Number obtained when a number is multiplied by itself is called

the square of the number.

• Number obtained when a number is multiplied by itself three times

are called cube number cube number.

• Squares and cubes of even numbers are even.

• Squares and cubes of odd numbers are odd.

• A perfect square can always be expressed as the product of pairs of

prime factors.

• A perfect cube can always be expressed as the product of triplets

of prime factors.

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