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DochEvi [55]
3 years ago
9

Write -621,000 in scientific notion

Mathematics
2 answers:
Nuetrik [128]3 years ago
6 0

Answer:

-6.21 x 10^5

Step-by-step explanation:

The negative only comes when the numbers are in the decimal to right such as 0.1 when its on the left side it just mean positive power such as 6.0= a positive, negative power = 0.6 count how many numbers there are (6) then get the last number as the whole number and the rest are behind (-6.21) count all the numbers besides the last number (6) now that is your power so you get -6.21 x 10^5

arsen [322]3 years ago
3 0

Answer:

-6.21 x 10^5

Step-by-step explanation:

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A football team loses 15 yards on one play and gains 9 yards on another play. How many total yards did the team lose?
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4 0
3 years ago
40.32 is 76.8% of what number?
julsineya [31]
Hey there

Lets solve this question together, 

Convert <span>76.8%</span><span> to a decimal.
</span>
0.768 * x=40.32 

Multiply 0.768<span> by </span>x<span> to get </span><span>0.768x</span><span>. 
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&#10;0.768x=40.32 

Multiply<span> each </span>term<span> by </span><span>1 / 0.768</span><span> and simplify.
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Cancel the common factor of 0.768.

x=40.32 / 0.768 

Divide 40.32<span> by </span>0.768<span> to get </span><span>52.5 

</span>x=52.5 <span>
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6 0
3 years ago
Read 2 more answers
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Liula [17]

Answer:

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8 0
1 year ago
How much is 2.1x 82
hram777 [196]
2.1 x 82 =

172.2

I hope this answer was helpful! :)
8 0
3 years ago
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I need help on a question!
Murljashka [212]
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