Question

Write the square root of 81 by using repeated subtraction method

Answer 1

Step-by-step explanation:

Example Square Roots:

The 2nd root of 81, or 81 radical 2, or the square root of 81 is written as 2√81=√81=±9. The 2nd root of 25, or 25 radical 2, or the square root of 25 is written as 2√25=√25=±5.

Answer 2

Answer:

77

Step-by-step explanation:

81-1 = 80 - 3 = 77

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