Question

cubes and roots =(3.5)3​

Answer 1

Answer:

First solution :

$\: \: \: \: ({3.5})^{3} \\ = 3.5 \times 3.5 \times 3.5 \\ = 42.875$

Second solution :

$\: \: \: \: ({3.5})^{3} \\ = \frac{35}{10} \times \frac{35}{10} \times \frac{35}{10} \\ = \frac{7 \times 7 \times 7}{2 \times 2 \times 2} \\ = \frac{343}{8}$