What is 553097.3451 to standard form ? 276243.0939 to standard form ? 22842.63959 to standard form ?

standard form of 553097.3451=5.530973451 into 10 to the power 6
standard form of 276243.0939=2.762430939 into 10 to the power 6
standard form of 22842.63959=2.284263959 into 10 to the power 5