# What is 2.56 multiplied by 10 to the 9th power?

$2.56$ x ${10}^{9}$ is scientific notation, which when put into a calculator as 2.56 x 10^9 will be changed to its expanded form, which is $2 , 560 , 000 , 000$, unless the calculator has been set to scientific notation mode. Then you will have something like 2.56E9, which means $2.56$ x ${10}^{9}$.