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## Homework Statement

The Sun radiates away energy at the rate of 3.9*10^24 Watts. At what rate it it losing mass due to this radiation?

## Homework Equations

E = Δmc^2

E = mc^2 - m0c^2

Where m0 rep. rest mass.

## The Attempt at a Solution

For this one, I am unsure as to how I would go about with solving it.

I know that a Watt can equal 1 Joule / second...