From Omilili

### How to convert decimal number to **Scientific****Notation**?

In the world would i convert these decimal numbers to **scientific**

**notation**? For example, say i have a number: 12,700. Expressed in

**scientific**

**notation**, this would be 1.27x10^4. I hope there is an easy way ; } } Robert Penner's - older

**Scientific**

**Notation**http://www.actionscript.org/forums/s...ad.php3?t=1596

From Yahoo Answers

**Question:**Here is the problem: Everything around you is made up of atoms. Atoms are extremely small. An atom is about two millionth of an inch in diameter. Write this number in standard form and then in scientific notation. I'll give 10 points (if I ever figure out how to...) and best answer to the person who helps me with this question and doesn't give me a stupid answer. How do you give someone 10 points?

**Answers:**Two millionths is .000002 in standard (decimal) notation. In scientific notation a number is written as a number between 1 and 10 multiplied by a power of 10. In this example, .000002 = 2 x 10 ^ -6 Cheers, Nicholas

**Question:**Can someone please explain to me.. im so confused. for example: express these in equalities in abs value notation: -8<=x<=-2 x>3 or x<-3

**Answers:**FYI, it really helps to draw the number line for the inequality problems. -8 x -2 x is between -8 and -2, so the |x| is between 2 and 8, since |-8|=8 and |-2| =2. So the answer is 2 |x| 8 ---------___--------- x>3 or x<-3 x is either greater than 3 or less than -3. The only place on the number line where x cannot be is at or between -3 and 3. The absolute value of any negative number is the same as the absolute value of the opposite positive number. So the smallest value that |x| can be is a little larger than 3. So the answer is |x|>3

**Question:**in the scientific notation 4.140625 x 10^-3 the 10 with the exponent should equal .001 to come out to the right answer. (.004140625) but 10^-3 equals .01 when i figure it out. (10 divided by 1000). the rules for scientific notation say that the exponent describes a move of the decimal point. so negative 3 would be three to the left. and that is correct, by why does 10^-3 work out to .01 when i do the math for the 10 and the exponent only? the notation doesn't seem to make sense to me.... please help!!!!!!!!!!!

**Answers:**10 = 1000 10 = 100 10^1 = 10 10^0 = 1 10^(-1) = 1/10 = 0.1 10^(-2) = 1/10 = 1 / 100 = 0.01 10^(-3) = 1/10 = 1 / 1000 = 0.001 etc Hope this helps.

From Youtube