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anonymous

  • one year ago

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

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  1. anonymous
    • one year ago
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    help please

  2. anonymous
    • one year ago
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    Should that say The sun produces \( 3.9 ⋅ 10^{33} \) ergs of radiant energy per second

  3. anonymous
    • one year ago
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    yes @jayzdd

  4. anonymous
    • one year ago
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    $$\large \sf \frac{3.9 ⋅ 10^{33} ~ergs} { second} \times 3.25 ⋅ 10^3 ~ seconds$$

  5. anonymous
    • one year ago
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    ok is there anything else to that?

  6. anonymous
    • one year ago
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    @jayzdd ^

  7. anonymous
    • one year ago
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    now we get out our calculators :)

  8. anonymous
    • one year ago
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    alright so i calculate that?

  9. anonymous
    • one year ago
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    yes

  10. anonymous
    • one year ago
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    alright hold on

  11. anonymous
    • one year ago
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    i dont know if this is right but i got 1.2675 × 10^30

  12. anonymous
    • one year ago
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    close

  13. anonymous
    • one year ago
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    $$ 1.2675 × 10^{37}$$

  14. anonymous
    • one year ago
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    ohhh ok is that the final answer?

  15. anonymous
    • one year ago
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    yes and you can round it

  16. anonymous
    • one year ago
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    ok thank you, can you help with part B also please?

  17. anonymous
    • one year ago
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    which measurement seems more likely?

  18. anonymous
    • one year ago
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    um 1.435 ⋅ 10^3 mm?

  19. anonymous
    • one year ago
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    yes

  20. anonymous
    • one year ago
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    1 mm is very small , so 10^-3 mm is extremely tiny

  21. anonymous
    • one year ago
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    right thank you! i have one more question that i have no idea how to work on, can you help me?

  22. anonymous
    • one year ago
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    okay

  23. anonymous
    • one year ago
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    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

  24. anonymous
    • one year ago
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    ????

  25. anonymous
    • one year ago
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    Let's rewrite this long expression

  26. anonymous
    • one year ago
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    ok

  27. anonymous
    • one year ago
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    how do i re write it

  28. anonymous
    • one year ago
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    alright so can you help me solve it

  29. anonymous
    • one year ago
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    \[ (2^8 ⋅ 3^{-5} ⋅ 6^0)^{−2} ⋅ \frac{3^{-2}}{2^3} 4 ⋅ 2^28\]

  30. anonymous
    • one year ago
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    alright so the one is parentheses are first correct?

  31. anonymous
    • one year ago
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    I am not sure about the expression 'whole'

  32. anonymous
    • one year ago
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    the 4 by the fraction is in square root

  33. anonymous
    • one year ago
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    got it?

  34. Spring98
    • one year ago
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    Is there any answer to the last one?

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