ahemmm if you meant to put it in decimal form.
well, in scientific notation, you always end up with one number to the left-hand-side of the dot, and the rest to the right of it.
now, we have the 10 with some base, if the base is positive, you move the dot to the right as many slots as the exponent says, for example,

now, in this case, is a negative number, -4, so, we move the dot, 4 slots but to the left, thus
