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umka21 [38]
3 years ago
8

Scientific notationI write104200oooo.​

Mathematics
1 answer:
a_sh-v [17]3 years ago
6 0

Answer:

1.042 × 10^9

Step-by-step explanation:

I don't know if the 4 (o's) were meant to be 4 zeros but if they were that would be your answer. I'm sorry idk if that helped or not :(

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Kisachek [45]

Answer:

lol number 8 is x= i, -i , \frac{3}{4}, -4 so u are correct.

and number 7 is x=-\frac{1}{2} or \sqrt[5-i]\sqr\frac{23}{8}

Step-by-step explanation:

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Honestly I tried looking it up to get atleast something, but my best answer would have to be B.

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Is (-3.4) a rational number? And why is (-3.4) a rational number?
KIM [24]

Answer:

Yes

Step-by-step explanation:

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- 3.4 is a integer and also a rational number.

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