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nadezda [96]
2 years ago
7

Part A: The Sun produces 3.9 ⋅ 1033 ergs of radiant energy per second. How many ergs of radiant energy does the Sun produce in 1

.55 ⋅ 107 seconds? Express your answer in scientific notation and show your work. (5 points)
Part B: Which is the more reasonable measurement of the distance between the tracks on a CD:
1.6 ⋅ 10−3 mm or 1.6 ⋅ 103 mm? Justify your answer. (5 points)
Mathematics
1 answer:
dimaraw [331]2 years ago
7 0

Answer:

I have the answer to part A. just do 10,000,000* 1.55 and you should get 15,000,000.

Step-by-step explanation:

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The school production of Our Town' was a big success. For opening night. 434 tickets were sold. Students paid $4.00 each, while
Alex73 [517]

Answer:

286 students attended

148 non students attended

Step-by-step explanation:

Given

Tickets = 434

Students = \$4.00

Non-Students = \$6.00

Total = \$2032.00

Solving (a): Number of students

Represent students with S and non students with N

So:

S + N = 434 --- (1)

4S + 6N = 2032 --- (2)

Make N the subject of formula in (1)

N = 434 - S

Substitute 434 - S for N in (2)

4S +6(434 - S) = 2032

Open Bracket

4S + 2604 - 6S = 2032

Collect Like Terms

4S - 6S = 2032 - 2604

-2S = -572

Divide through by -2

S = 286

<em>Hence; 286 students attended</em>

Solving (b):

Recall that

N = 434 - S

N = 434 - 286

N = 148

<em>148 non students attended</em>

4 0
3 years ago
Mr. Duncan creates a pop quiz for his students. On the quiz, students must order the following numbers from least to greatest.
omeli [17]

Answer:

im sry but i have no idea

Step-by-step explanation:

8 0
3 years ago
Why should money for eating out at a restaurant be taken from the entertainment budget instead of from the food budget?
denis23 [38]
Hello,

i would go for A)
take it as a guess 
4 0
3 years ago
What is the second term of the expand the binomial above. (8v + s)5
Stells [14]
(8v + s)5 (multiply 5 into the parentheses)

(8v × 5) + (s × 5)

40v + 5s
3 0
3 years ago
Read 2 more answers
How many solutions exist for the given equation?
zmey [24]
<h3> Answer </h3>

x = 2

<h3>Step by step</h3>

1/2(x + 12) = 4x - 1

1/2x + 12/2 = 4x - 1

1/2x + 6 = 4x - 1

1/2x - 4x = -1 - 6

1/2x - 8/2x = -7

-7/2x = -7

x = -14/-7

x = 2

8 0
3 years ago
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