The age of the sun has been estimated at 4.6 billion years. If it has radiated energy at the same rate throughout its lifetime, $3.8 \times 10 ^ { 26 } \mathrm {~W}$ and if its current mass is $1.989 \times 10 ^ { 30 } \mathrm {~kg}$, what fraction of its original mass has been lost?

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The Answer of The age of the sun has been estimated at 4.6 billion years. If it has radiated energy at the same rate throughout its lifetime, $3.8 \times 10 ^ { 26 } \mathrm {~W}$ and if its current mass is $1.989 \times 10 ^ { 30 } \mathrm {~kg}$, what fraction of its original mass has been lost?

The Age of the Sun Has Been Estimated at 4 3.8×1026 W3.8 \times 10 ^ { 26 } \mathrm {~W}3.8×1026 W

The Age of the Sun Has Been Estimated at 4 $3.8 \times 10 ^ { 26 } \mathrm {~W}$