Disk drives have been getting larger. Their capacity is now often given in terabytes (TB) where 1 TBequals1000 gigabytes, or about a trillion bytes. A search of prices for external disk drives on a large shopping website in a recent year found the accompanying data. The data are known to have a strong, positive, gently-curved pattern with no outliers. Researchers want to predict Price from Capacity. Complete parts a) through h) below. LOADING... Click the icon to view the disk drive data.

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answer: the correct answer is 1.

explanation: there are various process in which a radioactive nuclei decays:

1) alpha decay: in this process, a heavier nuclei decays into lighter nuclei by releasing alpha particle. the mass number is reduced by 4 units.

2) electron capture: in this decay process, a parent nuclei absorbs an electron and gets converted into a neutron. simply, a proton and an electron combines together to form a neutron. mass number does not change in this process.

3) gamma ray emission: it is a decay process in which an unstable nuclei gives excess energy by a spontaneous electromagnetic process. this decay releases . this process does not change the mass number.

4) positron emission: it is a type of decay process, in which a proton gets converted to neutron and an electron neutrino. this is also known as -decay. in this the mass number remains same.

from the above information, we see that only alpha-decay is producing a change in the mass number of the nucleus.

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