Question

Pls do step by step
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Answer 1

We can write,

3^-2 as

$\frac{1}{ {3}^{2} } \\ = \frac{1}{9} \\ = 0.11111111111$

And 4^-2

$\frac{1}{{4}^{2}} \\ = \frac{1}{16} \\ = 0.0625$

$(0.11111111111 \times 0.0625) ^{ - 2} \\ = 0.00694444444^{ - 2} \\ = 20736$

The answer is 20736.