Question

{ (2° + 3 raised to -1 ) x 9 raised to 2 }





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Answer 1

Answer:

Value of x = 7

Step-by-step explanation :

Given,

81^-2÷729^1-x = 9^2x

(9^2)^-2÷(9^3)^(1-x) = 9^2x

9^-4÷9^(3-3x) = 9^2x

9^-4 = 9^2x × 9^(3-3x)

9^-4 = 9^(2x+3-3x)

For the power x --

-4 = 2x+3-3x

-4 = x+3

x = 3+4

x = 7

Answer 2

$(2 + {3}^{ - 1}) \times {9}^{2} = \frac{(6 + 1)}{3} \times 81 = 7 \times 27 \\ = 189$

Hope It Helps :)