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. 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.

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12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

it would be 4 over -2 divided by -1 over 3.

if you want a solution it would be 4

you flip it so it would be 4/-2 divided by 3/-1 then it would be 12/3 and you would simplify it to 4

i dont know the answer but i think a

step-by-step explanation: