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fgiga [73]
3 years ago
10

Write each number below in Scientific Notation.

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0

Answer:

92,00=9.2*10^4

109,000=1.09*10^5

4,673=4.673*10^3

0.00087=8.7*10^-4

0.0235=2.35*10^-2

Step-by-step explanation:

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3 years ago
F(x)= -2x^2 - 5 and f(2)= -13<br><br> can someone solve this in steps please?
Rashid [163]

This is one way you could write out the steps

f(x) = -2x^2 - 5

f(2) = -2(2)^2 - 5

f(2) = -2(4) - 5

f(2) = -8 - 5

f(2) = -13

4 0
3 years ago
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How can you subtract fractions with unlike denominators?
Rama09 [41]

Answer:

No, You can't. You have to make their denominators equal!

-\frac{7}{10}

Step-by-step explanation:

So first, you make their denominators equal!

\frac{1*2}{5*2} =\frac{2}{10}=\frac{1}{5}

Multiplying both the numerator and denominator with the same number results in the same fraction, just un-simplified

So, we input it!

\frac{2}{10} -\frac{9}{10} = -\frac{7}{10}

There you go!

Hope you get better at math!(gets wayyyyyyyyyyy...y more complicated later)

Hope this helps!

See Ya!

P.S. Stay Safe!

8 0
3 years ago
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A waitress works 1.75 hours less in the afternoon than in the evening. If she works 5      1/8
gayaneshka [121]
Let x be the number of hours that the waitress works in the evening.

We know for our problem that she works 5 \frac{1}{8} in the afternoon and that she works <span>1.75 hours less in the afternoon than in the evening, so:
</span>x=5 \frac{1}{8} -1.75
<span>Since </span>\frac{1}{8} =0.125, we can rewrite our expression:
x=5.125-1.75
x=3.375

We can conclude that she works 3.375 hours in the evening, or expressed as a mixed fraction: 3 \frac{3}{8} hours.
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4 years ago
Something x something x something =70
nadya68 [22]
Here is what the answer to your question is:
7x10x1=70
5 0
3 years ago
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