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1. |
Mass of a neutron is 1.675 10-27 and mass of proton is 1.672 10-27. Find the total mass. |
A. | 3.347 10<sup>-27</sup> |
B. | 3.337 10<sup>-27</sup> |
C. | 3.447 10<sup>-27</sup> |
D. | 3.357 10<sup>-27</sup> |
Answer» B. 3.337 10<sup>-27</sup> | |