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Leokris [45]
3 years ago
7

0.2 Times 10^6 in scientific notatation

Mathematics
1 answer:
Ronch [10]3 years ago
6 0
You could move the decimal to the right 6 times
0.2 x 10^6
0200000 or 200,000(remember that if there's only two digits there will be one less zero than the exponent)

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What is 23.70 divided by 8.1 laid out
tester [92]

Answer:

2.925925926 or 2.9

Step-by-step explanation:

23.7/8.1

= 2.925925926 or approximately 2.9

3 0
3 years ago
6
Nata [24]

Answer:

400,000km is represented as 8cm on the map!!!

Step-by-step explanation:

1cm=50000km

8cm=x

Criss cross

1cmx=8cm×50000km

divide both side with 1cm

x=8×50000km

x=400,000km

5 0
2 years ago
A system of equations is given below. y=1/2x-3 and -1/2x-3. Which of the following statements best describes the two lines?
pantera1 [17]

"They have different slopes but the same y-intercept, so they have one solution" is the statement which best describes the two lines.

Answer: Option D

<u>Step-by-step explanation:</u>

Given equations:

           y=\left(\frac{1}{2} \times x\right)-3

           y=\left(-\frac{1}{2} \times x\right)-3

As we know that the slope intercept form of a line is  

                             y = m x + c  

So, from equation 1 and equation 2 we can see that

              m_{1}=\frac{1}{2} \quad \text { and } c_{1}=-3

              m_{2}=-\frac{1}{2} \text { and } c_{2}=-3

So, from the above expressions, we can say that both lines have different slopes but have same y – intercept with one common solution when x = 0.

4 0
3 years ago
Read 2 more answers
Find the perimeter of the triangle.​
PtichkaEL [24]

Answer:

Perimeter of the Triangle

( {x}^{2}  - 5x + 13) + (2 {x}^{2}  - x + 19) + ( {x}^{2}  + 3x + 21) \\ =(1 + 2 + 1) {x}^{2}  + ( - 5 - 1 + 3)x + (13 + 19 + 21) \\ =(4 {x}^{2}  - 3x + 53) \: units

7 0
2 years ago
-0.4a + 3 = 7 <br> a = <br> plz help
Papessa [141]

Answer:

a = -10

Step-by-step explanation:

-0.4a + 3 = 7

subtract 3 from each side

-0.4a + 3-3 = 7-3

-.4a = 4

Divide each side by -.4

-.4a/ -.4 = 4/-.4

a = - 10

4 0
3 years ago
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