Instructions
What will come in place of the question mark (?) in the given question?
Solution
Expression : $$\frac{(0.8)^{3}-(0.4)^{3}}{(0.8)^{3}+(0.8)^{3}}=?$$
= $$\frac{0.512 - 0.064}{0.512 + 0.512}$$
= $$\frac{0.448}{1.024} = \frac{448}{1024}$$
= $$\frac{7}{16}$$
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