A 10 kg container of nuclear waste containing mostly plutonium-238 is stored for decay and disposal.

A 10 kg container of nuclear waste containing mostly plutonium-238 is stored for decay and disposal. If plutonium-238 has a half-life of about 88 years, in how many years will less than 1 kg of radioactive waste remain?

440 years

176 years

528 years

88 years

264 years

352 years

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