Question

Q.3 Evaluate the following :-(25)-⁷ ×(√5)-⁵​

Answer 1

Step-by-step explanation:

${25}^{ - 7} \times { \sqrt{5} }^{ - 5 }$

$= {5}^{ - 14} \times {5}^{ - \frac{ - 5}{2} }$

$= {5}^{23 \div 2}$

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