Question

i need help plz plz plz i will fan and give you a medal

Answer 1

Question?

Answer 2

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?

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.

Answer 3

Part A: The sun produces 3.9 -10^33 ergs of radiant energy per second. How many ergs of radiant energy does the sun produce in 1.55-10^3 mm? Justify your answer.

Answer 4

Oh, okay, that's better.

Answer 5

What's 10^3?

Answer 6

\(10^3 \rightarrow 10 \times 10 \times 10\)

Answer 7

Part B: Which is the more reasonable measurement of the distance between the tracks on a CD: 1.6-10^-3 mm or 1.6-10^3 mm? Justify your answer.

Answer 8

10^3=1000

Answer 9

Yes, so we have:

1.55 * 1000

When we multiply this, we can just move the decimal place 3 places to the right.