anonymous
  • anonymous
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 3.25 ⋅ 103 seconds? (5 points) Part B: Which is the more reasonable measurement of the distance between the tracks on a railroad: 1.435 ⋅ 10−3 mm or 1.435 ⋅ 103 mm? Justify your answer
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
help please
anonymous
  • anonymous
Should that say The sun produces \( 3.9 ⋅ 10^{33} \) ergs of radiant energy per second
anonymous
  • anonymous
yes @jayzdd

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More answers

anonymous
  • anonymous
$$\large \sf \frac{3.9 ⋅ 10^{33} ~ergs} { second} \times 3.25 ⋅ 10^3 ~ seconds$$
anonymous
  • anonymous
ok is there anything else to that?
anonymous
  • anonymous
@jayzdd ^
anonymous
  • anonymous
now we get out our calculators :)
anonymous
  • anonymous
alright so i calculate that?
anonymous
  • anonymous
yes
anonymous
  • anonymous
alright hold on
anonymous
  • anonymous
i dont know if this is right but i got 1.2675 × 10^30
anonymous
  • anonymous
close
anonymous
  • anonymous
$$ 1.2675 × 10^{37}$$
anonymous
  • anonymous
ohhh ok is that the final answer?
anonymous
  • anonymous
yes and you can round it
anonymous
  • anonymous
ok thank you, can you help with part B also please?
anonymous
  • anonymous
which measurement seems more likely?
anonymous
  • anonymous
um 1.435 ⋅ 10^3 mm?
anonymous
  • anonymous
yes
anonymous
  • anonymous
1 mm is very small , so 10^-3 mm is extremely tiny
anonymous
  • anonymous
right thank you! i have one more question that i have no idea how to work on, can you help me?
anonymous
  • anonymous
okay
anonymous
  • anonymous
Find the value of the following expression: (2^8 ⋅ 3^−5 ⋅ 6^0)^−2 ⋅ 3 to the power of negative 2 over 2 to the power of 3, whole to the power of 4 ⋅ 2^28 (5 points) Write your answer in simplified form. Show all of your steps
anonymous
  • anonymous
????
anonymous
  • anonymous
Let's rewrite this long expression
anonymous
  • anonymous
ok
anonymous
  • anonymous
how do i re write it
anonymous
  • anonymous
alright so can you help me solve it
anonymous
  • anonymous
\[ (2^8 ⋅ 3^{-5} ⋅ 6^0)^{−2} ⋅ \frac{3^{-2}}{2^3} 4 ⋅ 2^28\]
anonymous
  • anonymous
alright so the one is parentheses are first correct?
anonymous
  • anonymous
I am not sure about the expression 'whole'
anonymous
  • anonymous
the 4 by the fraction is in square root
anonymous
  • anonymous
got it?
Spring98
  • Spring98
Is there any answer to the last one?

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