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Anon25 [30]
3 years ago
15

What is the scientific notation of 68000

Mathematics
2 answers:
Dmitry [639]3 years ago
8 0
OOHHH!! I like sci not! Okay, so you take the decimal ( which in this case is at the end: 68000. ) and move it over as many times as needed until it gets in between the, in this case, 6 and 8. ( 6.8000 ). You need to show exactly how many times it was actually moved so you multiply that number time 10^ whatever place. In this question, it'll be to the 4th place because you move the decimal over 4 times. The answer will be 6.80 x 10^4 OR -written in short hand- 6.8x10E4 
ss7ja [257]3 years ago
6 0
68000 = 6.8 * 10000 = 6.8 * 10^4
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x = 0

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6 - 3x = 6 - 0 = 6

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4)

\dfrac{3x}{7}-21\\\\\\x = -7\\\\\dfrac{3*(-7)}{7}-21=-3-21=-24\\\\\\x =14\\\\\dfrac{3*14}{7}-21=3*2-21=6-21=-15\\\\\\x=0\\\\\dfrac{0}{7}-21=-21

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Step-by-step explanation:

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