Question

convert into decimals
A} 3¹₅ by converting the denominator into 100
B} 7_{2 by long division method}

Answer 1

$$\begin{gathered} \left(1\right). \\ 3\frac{1}{5}=\frac{16}{5}=\frac{16\times 20}{5\times 20}=\frac{320}{100}=3.2 \\ \left(2\right). \\ \frac{7}{2}=7÷2 \\ 2)7(3.5 \\ \underline{6} \\ 10 \\ \underline{10} \\ 0 \\ \mathrm{So},\frac{7}{2}=3.5 \end{gathered}$$