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uestion 1
The half-life of Radium is 1

By Harper

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uestion 1
The half-life of Radium is 1600 years. A sample of radium has a mass of 107 mg. Find the mass after 1,018 years correct to two decimal place
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Harper

put the words in correct order to make sentence


a) next
b) The
c) goes on
d) release
e)

Nena’s circular garden is 5 meters write it on the blank hefire each maniber it? any meters of wire to put a fence around it?​

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