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Mathematics 18 Online
OpenStudy (anonymous):

What is the quotient written in scientific notation?

OpenStudy (anonymous):

OpenStudy (doc.brown):

Two parts One\[\frac{2}{8}\] Two \(\dfrac{10^{21}}{10^3}\)or \(10^{21}\times 10^{-3}\)

OpenStudy (anonymous):

|dw:1397865236191:dw|

OpenStudy (anonymous):

7 or 18 there is no 17

OpenStudy (doc.brown):

One more step @krishnashinde \[0.25 = 2.5\times 10^{-1}\]So the answer is\[2.5\times 10^{21-3-1}\]\[=2.5\times 10^{17}\]

OpenStudy (anonymous):

|dw:1397865681837:dw|

OpenStudy (anonymous):

your answer is 0.25 x 10^18. Okay ?

OpenStudy (anonymous):

What is the following number in decimal form? 1.68 × 10 –8 A. 0.00000000168 B. 0.0000000168 C. 168,000,000 D. 16,800,000,000

OpenStudy (doc.brown):

@krishnashinde Nope 2.5x10^17

OpenStudy (anonymous):

no look at the answer choices there is no 17 @doc.brown

OpenStudy (doc.brown):

C?

OpenStudy (anonymous):

oh sorry i didnt see that lol so c or d

OpenStudy (doc.brown):

C and D are both the same number, but C is proper, standard scientific notation.

OpenStudy (doc.brown):

For the other question I always do this|dw:1397866107201:dw|

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