[tex]a)( \frac{4}{5} {)}^{2} \times ( \frac{1}{4} {)}^{2} = ( \frac{4}{5} \times \frac{1}{4} {)}^{2} = ( \frac{1}{5} {)}^{2} = \frac{1}{25} \\ b)( - 3 {)}^{3} + ( - 2 {)}^{3} = - 27 - 8 = - 35 \\ c)( - 4 {)}^{0} \times ( - 5 {)}^{2} - {4}^{2} = 1 \times ( - 5 {)}^{2} - 16 = 25 - 16 = 9[/tex]
[tex]d)(0. {7)}^{2} \times (0.1 {)}^{3} + ( - 0.2 {)}^{2} = 0.49 \times 0.001 + 0.04 = 0.00049 + 0.04 = 0.04049[/tex]
