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Mathematics 8 Online
KjSaif:

Scientific Notation

KjSaif:

Scientific notation is just a short hand way of expressing gigantic numbers like 1,300,000 or incredibly small numbers like 0.0000000000045. Also known as exponential form, scientific notation has been one of the oldest mathematical approaches. It is favored by many practitioners. If numbers are too big or too small to be simply calculated, people refer to scientific notation to handle these circumstances. This method is used by engineers, mathematicians, scientists. An example of scientific notation is 1.3 ×10^6 which is just a different way of expressing the standard notation of the number 1,300,000. Standard notation is the normal way of writing numbers. mantissa = this is the integer or first digit in any Scientific Notation. For example in 1.3 ×10^6, the mantissa is the "1"

KjSaif:

|dw:1475168786144:dw|

KjSaif:

700 ~~7x10^2

KjSaif:

Both 700 and 7 × 10^2 have the same value, just shown in different ways.

KjSaif:

Example: 4,900,000,000 1,000,000,000 = 10^9 , so 4,900,000,000 = 4.9 × 10^9 in Scientific Notation

KjSaif:

So the number is written in two parts: Just the digits (with the decimal point placed after the first digit), followed by × 10 to a power that puts the decimal point where it should be.

KjSaif:

Try It Yourself! xD

KjSaif:

25000 Find the Scientific Notation?

wo1f0mon:

what? ok if you know the answer then y ask?

KjSaif:

um this is a tutorial.....xD

KjSaif:

@wo1f0mon

wo1f0mon:

oh ok XDsorry

KjSaif:

25 x 10³

KjSaif:

that equals 25,000

KjSaif:

520,000

KjSaif:

870,000

KjSaif:

56,000

KjSaif:

98,000,000

KjSaif:

There all for you guys!!!

joshiscool:

someone medal me

joshiscool:

lol

wo1f0mon:

ok

joshiscool:

http://prntscr.com/cnuwi8 @wo1f0mon @Awolflover1

KjSaif:

hey.......why are you guys meddling for no reason?

KjSaif:

that's not good...........

wo1f0mon:

lol ok ill medal u for this post

KjSaif:

why did it say i had -1 medals?

joshiscool:

http://prntscr.com/cnuwi8

wo1f0mon:

delete all comment

KjSaif:

josh please ask this in another

joshiscool:

idk

KjSaif:

you don't know how? or you don't care what did you mean?

umer:

Looks hard xD

MsBrains:

o-o

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