Decimal Fractions — Maths STD 6 — Question

& =\frac{27 \times 14}{10 \times 10}=\frac{378}{100} \\& =3.75\end{aligned}$

$\text { ii. } \begin{aligned}& 6.17 \times 3.9 \\= & \frac{617}{100} \times \frac{39}{10} \\= & \frac{617 \times 39}{100 \times 10}=\frac{24063}{1000} \\= & 24.063

\end{aligned}$

iii. $0.57 \times 2$

$\begin{aligned}& =\frac{57}{100} \times \frac{2}{1} \\& =\frac{57 \times 2}{100 \times 1}=\frac{114}{100} \\& =1.14\end{aligned}$

iv. $5.04 \times 0.7$

$\begin{aligned}& =\frac{504}{100} \times \frac{7}{10} \\& =\frac{504 \times 7}{100 \times 10}=\frac{3528}{1000} \\& =3.528\end{aligned}$