Объяснение:

[tex] {2}^{ - 3} \times {4}^{3} \div {8}^{ - 2} + {7}^{ - 2} \times {7}^{0} = {2}^{ - 3} \times {( {2}^{2}) }^{3} \div {( {2}^{3} )}^{ - 2} + {7}^{ - 2} \times {7}^{0} = {2}^{ - 3} \times {2}^{6} \div {2}^{ - 6} + {7}^{ - 2} \times {7}^{0} = {2}^{9} + {7}^{ - 2} [/tex]