Question

(4^5÷4^5)×(a^8÷a^5)×(b^3÷b^2)=

Answer 1

$( {4}^{5} \div {4}^{5} ) \times ( {a}^{8} \div {a}^{5} ) \times ( {b}^{3} \div {b}^{2} ) \\ = ({4}^{5 - 5} ) \times ( {a}^{8 - 5} ) \times ( {b}^{3 - 2} ) \\ = ( {4}^{0} ) \times ( {a}^{3} ) \times ( {b}^{1} ) \\ = 1 \times {a}^{3} \times b \\ = {a}^{3} b \\ formulas \: used \\ {a}^{m} - {a}^{n} = {a}^{m - n} \\ {a}^{0} = 1$