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Aliun [14]
3 years ago
10

40 POINTS!!! Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one yea

r, or approximately 5.88 × 10^12 miles. Suppose a star is 3.2 × 10^2 light-years from Earth. In scientific notation, approximately how many miles is it?

Mathematics
2 answers:
Sophie [7]3 years ago
7 0

Answer:

1.88×10^15

Step-by-step explanation:

3.2*10^2 LY ( 5.88*10^12 mi/LY)

= 18.8 * 10^14 mi

= 1.88 * 10^15 mi

77julia77 [94]3 years ago
3 0
If you help me i will help you but you have to help me first

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murzikaleks [220]

Answer:

see step-by-step below

Step-by-step explanation:

1)  y - 2 > 3

Add 2 to both sides:   y > 5

2) y ≤ 2

Draw a closed circle at y = 2 then shade the numbers to the left

3) y ≥ 250

where y = savings

4) The image isn't very clear, so I can't tell if it's a closed or open circle on -4.

If it is closed, it will be y ≤ -4

If it is open, it will be y < -4

5) -4 < f

Draw an open circle at f = -4 then shade the numbers to the right

6) x < -3.5

Draw an open circle at x = -3.5 then shade the numbers to the left

7) closed circle ... shade to the left of 8 ... make y  equal to or less than 8.

8) F ≤ 6

C - closed circle at 6 with shaded numbers to the left

9) y > 2.75

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3 0
2 years ago
If tyler deposits $2000 of the $3200 he has earned in a account that pays 8% interest compounded quarterly. What is the formula
tester [92]
For the first quarter you would use the equation of $2000+(2000 times 0.08)=the money for the first quarter or $2160. the second quarters equation is $2000+(2000 times 0.08)2= the money for the second quarter or $2320. the thirds quarters equation is $2000+(2000 times 0.08)3= the money for the third quarter or $2480. The fourth quarters equation is $2000+(2000 times 0.08)4=the money for the fourth quarter or $2640.
5 0
4 years ago
Sphere has a volume of 900 in.³ find its surface area to the nearest whole number
mote1985 [20]
The answer 450.8 or 451
4 0
3 years ago
In the figure below mPUR =77 and mST=74 Find mPR
eduard

Answer:

a)

<u>The angle formed by intersecting chords is half of the sum of the intercepted arcs:</u>

  • 1/2(mST + mPR) = m∠PUR
  • 1.2(74° + mPR) = 77°
  • 74° + mPR = 2*77°
  • mPR = 154° - 74°
  • mPR = 80°

b)

<u>The angle formed by two tangents is the half of the difference of the intercepted arcs:</u>

  • m∠PSR = 1/2(mPTR - mPR)
  • m∠PSR = 1/2(247° - (360° - 247°))
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8 0
3 years ago
Simply: 7x + 4(2x - 6)
hodyreva [135]

Answer:

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Step-by-step explanation:

7 0
4 years ago
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