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ICSE Class 8 Answered

Respected sir/mam,
                            I request you to provide me with the solution of this question which is  troubling me since days.
 
 
THE MASS OF AN ELECTRON IS 9.1*10 TO THE POWER -31 Kg. FIND THE MASS IN UNIFIED UNIT(U);
 
 please show me the derivation of the answer and explain them too if possible.
Asked by Niladri.mazumdar | 06 May, 2017, 11:23: PM
answered-by-expert Expert Answer
Unified mass unit : 1 u = 1.66 × 10-27 kg 
 
Hence,
 
fraction numerator 9.1 space x space 10 to the power of negative 31 end exponent over denominator 1.66 space x space 10 to the power of negative 27 end exponent end fraction space space equals space 5.48 space x space 10 to the power of negative 4 end exponent space u
Answered by Prachi Sawant | 11 May, 2017, 05:10: PM
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