P a g e
But if we divide by 1,000,000,000 we must also multiply by
1,000,000,000 or the value of the number will be changed.
1,000,000,000 = 10
: 3,560,000,000 =
Convert 0.000000123 to scientific notation.
Note that 0.000000123 * 10,000,000 = 1.23
But if we multiply by 10,000,000 we must also divide by
10,000,000 or the value of the number will be changed.
But 10,000,000 = 10
Naturally, we don’t want to go through these laborious
processes every time we want to convert from decimal to
scientific notation, so:
For numbers >1, move the decimal point to the left
until it falls just to the right of the 1
Then multiple by 10
where n = the number of places the
decimal point was moved.
For numbers <1, move the decimal point to the
right until it falls just to the right of the 1
digit. Then multiple by 10
where n = the number of places
the decimal point was moved.
D. Doing Calculations with numbers written in scientific
One reason that scientific
notation is so
popular with scientists is that using it greatly simplifies
doing quick calculations.
However to do this, we must
abide by a couple of rules.