A lettuce leaf collected from the salad bar at the college cafeteria contains $\frac { 99 } { 100 }$ as much carbon-14 as a freshly cut lettuce leaf. How old is it? (Use 5700 years for the half-life of $14$ C.)

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The Answer of A lettuce leaf collected from the salad bar at the college cafeteria contains $\frac { 99 } { 100 }$ as much carbon-14 as a freshly cut lettuce leaf. How old is it? (Use 5700 years for the half-life of $14$ C.)

A Lettuce Leaf Collected from the Salad Bar at the College