Planck units: dimensions of mass in terms of c, G and h

1. A.
   $\left\lbrack h^{1/2}c^{- 1/2}G^{1} \right\rbrack$
2. B.
   $\left\lbrack h^{- 1/2}c^{1/2}G^{1/2} \right\rbrack$
3. C.
   $\left\lbrack h^{1/2}c^{1/2}G^{- 1/2} \right\rbrack$
4. D.
   $\left\lbrack h^{1}c^{1}G^{- 1} \right\rbrack$

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1. A.
   $½$
2. B.
   $1/3$
3. C.
   2
4. D.
   $- 1/3$

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