How do you write 0.00437 in scientific notation?
Imagine keeping the decimal point in the same place and sliding the number to the left until you got
This is the notation type you are aiming for but as it stands at the moment it is a different value to that in the question. So we need to show how to change it back without actually doing the maths.
We 'slid' the given number to the left by 3 digits so we simply write:
If we have, say
But we have
So we write
Once you have grasped the idea how this works it will become second nature to you.