exam Maths Puzzle Numerical Ability

Half life question! Please help! Thanks tutors!

The half life of the radioactive element Plutonium-239 is 25,000 years. If 16 grams of plutonium-239 are initially present, how m

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true or false: the function"f(x) =3^x"grows three times faster than the function"g(x)=x". Explain **thanks in advance for your help." x-1 + y+1
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X + Y