Question

write 7291 in scientific notation.

Explanation:

Step1: Move decimal point

Move the decimal point in 7291 to get a number between 1 and 10. So, $7291 = 7.291\times1000$.

Step2: Express as power of 10

Since $1000 = 10^{3}$, then $7291=7.291\times 10^{3}$.

Answer:

$7.291\times 10^{3}$