Scientific Notation

4.56 x 10^-3

2.87 x 10^-3

It is: 1.6*103

Move the decimal point to the right after the first non zero number and add x 10 to the negative power of number of places moved. In this case

0.0008 = 8 x 10 to the negative 4 power

As far as we know, we only use scientific notation here on Earth, for the computing of very large numbers (like the distance between planets) or very small numbers (like the radius of a hydrogen atom).

It is 2*10-1

It is: 1.216*10^8

6.2 x 10^3

It is: 8.52 x 10^-3

1.23456789 x 10^9

8421032.9266 = 8.4210329266 × 10⁶

Scientific notation is generally used for very large and small numbers, so you would not normally have so many decimal places and would round to a number of significant figures.

3.0 × 10-4

Both of these are correct: 3.4 x 10^8 or 3.4E8

5.9 then a small nine hovering beside the 9 (5.9 to the ninth power)

3.16 = 3.16 × 100

Since the term is already written in the form a x 10b where b is the integer and a is any real value, 3.25 x 105 is already in scientific notation.

5 x 10-3 torr.

3.95*10 or 3.95*101

citation

It is: 1.336 times 10 to the power of 9

Add them

It is: 9.3*10^1

7.03 = 7.03 × 100

It is: 3.41*107

3.34 × 10-5

or

3.34E-5