The total radiation energy Eemittedby a heated surface per unit area varies as the fourth powerof its absolute temperature T. The temperature is 6000 K atthe surface of the sun and 300 K at the surface of the earth.(a)How many times more radiation energy per unit area isproduced by the sun than by the earth?(b)The radius of the earth is 3960 mi and the radius of thesun is 435,000 mi. How many times more total radia-tion does the sun emit than the earth?

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step-by-step explanation:

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true

i’ll just s take the points thxs