Class 9th math 2.1 solution english PCTB

Question # 01: Express the following numbers in scientific notation.

\((v)\) \(\quad\)\( 73 \times 10^3 \)

Solution:

\[
\begin{align*}
&=73 \times 10^3\\&=7.3 \times 10^{3+1}\\&=7.3 \times 10^{4}\\
\end{align*}
\]