Five hundred grams of a radioactive material decays according to the formula $A = 500 \left( \frac { 5 } { 6 } \right) ^ { t }$ , where t is measured in years. Find the amount present in 3 years. Round to the nearest one-tenth of a gram.

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The Answer of Five hundred grams of a radioactive material decays according to the formula $A = 500 \left( \frac { 5 } { 6 } \right) ^ { t }$ , where t is measured in years. Find the amount present in 3 years. Round to the nearest one-tenth of a gram.

Five Hundred Grams of a Radioactive Material Decays According to the Formula