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Serggg [28]
4 years ago
13

How many significant figures are in the number 123.97​

Mathematics
2 answers:
Paraphin [41]4 years ago
6 0

Answer:

<h2>5 significant</h2>

Step-by-step explanation:

Nikolay [14]4 years ago
4 0

Answer:

5 significant figures

Step-by-step explanation:

Any first number than starts with > 0, it is counted as significant figures and with 0 in the middle of number, also will be counted. But if the first number is 0, you have to skip to the next number.

e.g

0.0567 = 3s.f

1.542 = 4s.f

0.0000012 = 2s.f

1200586 = 7s.f

87000000002 = 11s.f

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Tatiana [17]
2(10)-2(6x)= x-8x 
20-12x=x-8x 
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20=13x-8x
20=5x 
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6 0
3 years ago
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Please help!!!
Effectus [21]

Answer:

a + b + c + d + e = 180.

Step-by-step explanation:

We can prove that a = angle CBA (vertically opposite angles are equal).

Now, since lines DE and CA are parallel, then it follows that c = angle ACE (alternate angles are equal). Similarly, b = angle CAD.

But notice that what we've just done is found the angles of the triangle CBA.

So the sum of the angles (a + b + c + d + e) is the sum of the angles of a triangle.

We then conclude that a + b + c + d + e = 180 degrees.

6 0
3 years ago
Double integral of cos (y^2) dy dx, Where y=1 , y=x, x=0, x=1 are the bounds
Maurinko [17]

\displaystyle\int_{x=0}^{x=1}\int_{y=1}^{y=x}\cos y^2\,\mathrm dy\,\mathrm dx

Change the order of integration. The region over which you're integrating can be equivalently described by the set of points in the plane, \{(x,y)\mid0\le x\le y,0\le y\le1\}.

Then the integral becomes

\displaystyle\int_{y=0}^{y=1}\int_{x=0}^{x=y}\cos y^2\,\mathrm dx\,\mathrm dy=\int_{y=0}^{y=1}y\cos y^2\,\mathrm dy

Substitute z=y^2, \mathrm dz=2y\,\mathrm dy:

\displaystyle\frac12\int_{z=0}^{z=1}\cos z\,\mathrm dz=\frac12\sin1

8 0
3 years ago
← → C D
kherson [118]

Based on the given stem and leaf plot of the scores of the ninth and tenth graders, the difference between the tenth and ninth-grader modes <u>is 7.</u>

<h3>What is the tenth grade mode?</h3>

The mode is the score that appears the most times.

From the stem and lead plot, this number is 42 as it appears 3 times. This is shown by the 4th stem having 2 leafs three times.

<h3>What is the ninth grader mode?</h3>

The third stem has five leafs four times so the mode would therefore be 35.

The difference is then:

= 42 - 35

= 7

Find out more on stem and leaf plots at brainly.com/question/8649311.

#SPJ1

8 0
2 years ago
The Gonzalez's updated their bedroom by purchasing a new lamp for $89.95 and a comforter set for $239.99. They paid 6.5% sales t
photoshop1234 [79]

Answer:

Not exactly

Step-by-step explanation:

  • Cost lamp = $89.95
  • Cost of comforter set = $239.99
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<u>Total payment:</u>

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<u>Total amount is a little different:</u>

  • $351.72 vs $351.39
5 0
3 years ago
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