Question

i) The square of 47 ends with the digit _______.

ans fast please don't take ans from Google please

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Answer 1

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• The square of 47 ends with the digit ___ ?

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• When a number is multiplied by same number then the resulting number is called perfect square of that number.

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→ Unit digit of square of 47 is 9.

Verification : 47 × 47 = 2209

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If the last (unit) digit of a number is 1 or 9, its square ends in 1

If the last (unit) digit of a number is 2 or 8, its square ends in 4

If the last (unit) digit of a number is 3 or 7, its square ends in 1.

If the last (unit) digit of a number is 4 or 6, its square ends in 6.

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In short quick review,

   Unit digit of number                 Unit digit of square of that number

              1                              →                              1

              2                             →                              4

              3                             →                               9

             4                              →                               6

              5                             →                               5

              6                             →                               6

              7                             →                               9

              8                             →                               4

              9                             →                               1

              0                             →                               0

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Hope this helps u.../

【Brainly Advisor】

Answer 2

Answer:

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Step-by-step explanation:

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