What is 0.81^{-1*2}+1/(1-0.81) ?

The solution to 0.81^{-1*2}+1/(1-0.81) is 6.78731…

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simplify 0.81^{-1*2}+1/(1-0.81)

simplify

0.8 1^{- 1 \cdot 2} + \frac{1}{1 - 0.81}

6.78731 \dots

Solution steps

0.8 1^{- 1 \cdot 2} + \frac{1}{1 - 0.81}

Multiply the numbers:

1 \cdot 2 = 2

= 0.8 1^{- 2} + \frac{1}{1 - 0.81}

Subtract the numbers:

1 - 0.81 = 0.19

= 0.8 1^{- 2} + \frac{1}{0.19}

0.8 1^{- 2} = 1.52415 \dots

= 1.52415 \dots + \frac{1}{0.19}

Divide the numbers:

\frac{1}{0.19} = 5.26315 \dots

= 1.52415 \dots + 5.26315 \dots

Add the numbers:

1.52415 \dots + 5.26315 \dots = 6.78731 \dots

= 6.78731 \dots

18 = x 3

2 x^{2} = 242

\frac{8 \cdot 1 0 ^{9}}{2 \cdot 1 0 ^{5}}

\frac{2 ( - \frac{3}{2} )}{1 - ( - \frac{3}{2} ) ^{2}}

6 x^{2} + 18 x - 168

What is 0.81^{-1*2}+1/(1-0.81) ?
The solution to 0.81^{-1*2}+1/(1-0.81) is 6.78731…