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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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The price of a television set on scale is $360. This two thirds of the regular price. Find the regular price.
snow_tiger [21]

Answer: I believe it would be $600

Step-by-step explanation:

3 0
4 years ago
P, Q &amp; R form a right-angled triangle.
kvasek [131]

Answer:

∠RPQ = 27

Step-by-step explanation:

In ΔSRQ,

∠R = 90

∠SQR = 36°

∠R + ∠SQR + ∠RSQ = 180    {Angle sum property of triangle}

90 + 36 + ∠RSQ = 180

126 + ∠RSQ = 180

         ∠RSQ = 180 - 126

        ∠RSQ = 54°

∠PSQ +∠RSQ = 180   {Linear pair}

∠PSQ + 54 = 180

 ∠PSQ = 180 - 54

∠PSQ = 126

In ΔPSQ,

SQ = PS ,

So, ∠SQP = ∠SPQ    {Angles opposite to equal sides are equal}

∠SQP = ∠SPQ   =x

∠PSQ + x +x = 180  {Angle sum property of triangle}

126 + 2x = 180

2x = 180 - 126

2x = 54

x = 54/2

x = 27

∠RPQ = 27°

5 0
3 years ago
Three of the angles of a quadrilateral are 82, 114 and 95. what is the size of the 4th angle?
LekaFEV [45]
To find a missing angle of a quadrilateral first 
know what a quadrilateral equals, in this case, it equals 360 degrees
now take
82+114+95= 291
then take 
360-291= 69
the 4th angle is 69 degrees
hope this helps!
6 0
3 years ago
Is -2 less then 6<br> Yes or no
patriot [66]

Answer:

Yes

Hope that this helps!

8 0
3 years ago
Read 2 more answers
What is the value of x?<br><br> sin(x+22)°=cos(2x−7)°
Snezhnost [94]
Remember that \sin(\theta) = \cos(90^\circ - \theta)

Thus, we can solve for x.
x + 22 = 90 - (2x - 7)
x + 22 = 97 - 2x
3x + 22 = 97
3x = 75
x = 25
5 0
3 years ago
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