Question

How many neurons are contained in 2kg? Mass of one neurons is 1.67×10‐²⁷

Answer 1

see above image .

I hope its help you

Answer 2

Answer

$1 \: neutron = 1.67 \times {10}^{ - 27} kg \\ 1.67 \times {10}^{ - 27}kg = 1 \: neutron \\ 1 \: kg = \frac{1}{1.67 \times {10}^{ - 27} } \: neutrons \\ 2 \: kg = \frac{2}{1.67 \times {10}^{ - 27} } \: neutrons \\ 2 \: kg = 1.25 \times {10}^{27} neutrons$

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