express 299792458 in scientific notation to 3 significant fi

express 299792458 in scientific notation to 3 significant figures

Solution

299792458.00

Three significant digits : 299 and the 7 >5 , so it rounds of 300000000

with first 3 digits being significant

In sceintifc notation we can write it as 3.00 * 10^8

This has 3 significant figures and it is in scientific notation:

3.00 * 10^8