Beth ydy \({8}\) wedi ei sgwario?
\[{16}\]
\[{48}\]
\[{64}\]
Beth ydy \({3}\) wedi ei giwbio?
\[{9}\]
\[{27}\]
\[{33}\]
Beth ydy gwerth \({2}^{6}\)?
\[{32}\]
\[{128}\]
Beth ydy gwerth \({5}^{4}\)?
\[{25}\]
\[{125}\]
\[{625}\]
Defnyddia dy gyfrifiannell i gyfrifo \({6}^{11}\).
\[{362,797,056}\]
\[{45,623,870}\]
\[{765,403,579}\]
Defnyddia dy gyfrifiannell i gyfrifo \({4}^{8}\times{3}^{9}\).
\[{432,765,893,345}\]
\[{1,289,945,088}\]
\[{134,709,876,881}\]
Beth ydy ail isradd \({100}\)?
\[{10}\]
\[{20}\]
\[{50}\]
Beth ydy trydydd isradd \({8}\)?
\[{1}\]
\[{2}\]
\[{3}\]
Symleiddia \({2}^{5}\times{2}^{4}\) gan ei roi ar ffurf indecs.
\[{2}^{20}\]
\[{2}^{10}\]
\[{2}^{9}\]
Symleiddia \({3}^{8}\div{3}^{4}\) gan ei roi ar ffurf indecs.
\[{3}^{4}\]
\[{3}^{2}\]
\[{3}^{12}\]