Question

 [ (7)^(–3) ÷ (7)^(–8) ] x (7)^(–9) = _____ *​

Answer 1

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Ans: 2401

Answer 2

Step-by-step explanation:

$( {7}^{ - 3} \div {7}^{ - 8} ) \times {7}^{ - 9} \\ \\ = {7}^{5} \times {7}^{ - 9} \\ \\ = {7}^{ - 4} \\ \\ so \: the \: answer \: is \: {7}^{ - 4}$

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