1) $0.3 \times 0.3 \times 0.3$ is equal to
(A) 0.9
(B) 0.27
(C) 0.027
(D) 0.009
(E) 0.0027.
1) The answer is $(\mathbf{C})$.

Indeed $0.3 \times 0.3 \times 0.3=\frac{3}{10} \times \frac{3}{10} \times \frac{3}{10}=\frac{27}{1000}=0.027$.