Question

the length of a bacterial cell is 5.2×10^(-6) m. express the length of the cell in standard form.
the length of the cell is m.

Explanation:

Step1: Recall scientific - notation rule

A number in scientific notation $a\times10^{n}$ where $1\leqslant a<10$ and $n$ is an integer. When $n < 0$, we move the decimal point $|n|$ places to the left.

Step2: Move the decimal point

For the number $5.2\times 10^{-6}$, since $n=-6$, we move the decimal point 6 places to the left. Starting with 5.2, we get 0.0000052.

Answer:

0.0000052