Write the following in standard form. \[ 7 \times 100+2 \times 10+8 \times 1+3 \times \frac{1}{10} \] A. 72.38 B. 72.83 C. 7.283 D. 728.3

\( \begin{array}{l}\text { equivalent fractions. } \\ 2\end{array} \frac{1}{2}, \frac{2}{8}, \frac{\square}{16}, \frac{\square}{32} \)

Paman menanam pohon alpukat sebangak 350 pohon. Setiap pohon membutuhkan pupuk seberat \( 0,6 \mathrm{~kg} \) setiap enam bulan. Berapa kg pupuk yang harus disediakan paman adalah .... A. 210

7. If the terms 4,6 and 18 are in proportion. Find the third proportional.

Write each of the following percentages in decimal form. \( \begin{array}{ll}\text { (a) } 0.16=16 \% & \text { (b) } 0.153= \\ \text { (c) } 0.085=9 \% & \text { (d) } 0.025= \\ 1.35= & \text { (f) } 1.125=\end{array} \)

Write the number below in scientific notation. 0.00000123 A. \( 1.23 \times 10^{-6} \) B. \( 1.23 \times 10^{-5} \) C. \( 1.23 \times 10^{-7} \) D. \( 1.23 \times 10^{-8} \)