Write each answer with the correct number of digits.

(a)$\mathbf{1}\mathbf{.}\mathbf{021}\mathbf{+}\mathbf{2}\mathbf{.}\mathbf{69}\mathbf{=}\mathbf{3}\mathbf{.}\mathbf{711}$

(b) $\mathbf{12}\mathbf{.}\mathbf{3}\mathbf{-}\mathbf{1}\mathbf{.}\mathbf{63}\mathbf{=}\mathbf{10}\mathbf{.}\mathbf{63}$

(c)$\mathbf{4}\mathbf{.}\mathbf{34}\mathbf{\times }\mathbf{92}\mathbf{=}\mathbf{39}\mathbf{.}\mathbf{928}$

(d)$\mathbf{0}\mathbf{.}\mathbf{0602}\mathbf{÷}\left(2.113\times {10}^4\right)\mathbf{=}\mathbf{2}\mathbf{.}\mathbf{84903}\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{6}}$

(e)$\mathbf{log}\left(4.218\times {10}^{12}\right)\mathbf{=}\mathbf{?}$

(f)$\mathbf{antilog}\mathbf{(}\mathbf{-}\mathbf{3}\mathbf{.}\mathbf{22}\mathbf{)}\mathbf{=}\mathbf{?}$

(g)localid="1663318436617" ${\mathbf{10}}^{\mathbf{2384}}\mathbf{=}\mathbf{?}$

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