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blondinia [14]
3 years ago
11

21,400 in standard form

Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
6 0

Answer:

2.14 X 10(power4)

Step-by-step explanation:

Flauer [41]3 years ago
4 0
21,400 in standard form is 21,400 xD
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There are 416 students who are enrolled in an introductory geology course. if there are seven boys to every six girls, how many
Alenkinab [10]

\text{Let the number of boys be x and number of girls be y.}\\
\\
\text{and there are total 416 students enrolled in the course. so we have}\\
\\
x+y=416 \ \ \ \ \ \ \ \ \ \ ......(i)\\
\\
\text{also given that there are seven boys to every six girls, that is}\\
\\
\frac{x}{y}=\frac{7}{6}

\Rightarrow 6x=7y\\
\\
\Rightarrow y=\frac{6x}{7}\\
\\
\text{substitute this value of y in (i), we get}\\
\\
x+\frac{6x}{7}=416\\
\\
\Rightarrow \frac{7x+6x}{7}=416\\
\\
\Rightarrow \frac{13x}{7}=416\\
\\
\Rightarrow x=\frac{416\times 7}{13}\\
\\
\Rightarrow x=224

Hence the number of boys in the course are: 224

4 0
3 years ago
Mr. Adamak earns a gross salary of $72,425. He
Mnenie [13.5K]

Answer:

$4345.5

Step-by-step explanation:

Income tax is 6% of total income. His income is $72425 so 6% (0.06) of $72425 is

$72425* 0.06= $4345.5

8 0
2 years ago
HELP ME PLSSSSSSSSSSS
Trava [24]

Answer:

8

Step-by-step explanation:

I believe that the answer is 8

8 0
2 years ago
375000000 divided by 1570000000
Zielflug [23.3K]

Answer: 0.238853503185

(I obviously used a calculator.)

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8 0
3 years ago
Read 2 more answers
Simplify. (-2)-3 -8 - 8 user: simplify. 6x-2
Vinvika [58]
If you would like to simplify <span>(-2)-3 -8 - 8 and 6x - 2, you can do this using the following steps:

</span><span>(-2)-3 -8 - 8 = - 2 - 3 - 8 - 8 = - 5 - 8 - 8 = - 13 - 8 = - 21

6x - 2 = 2 * (3x - 1)

The correct result would be - 21 and </span><span>2 * (3x - 1).</span>
3 0
2 years ago
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