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  • Simplify and write in exponential form.     (i) (–2) –3 × (–2) – 4

Simplify and write in exponential form.

    (i) (-2)^{-3}\times (-2)^{-4}

Answers (1)

best_answer

this is simplified as follows

(-2)^{-3}\times (-2)^{-4}

= \frac{1}{(-2)^{3}}\times \frac{1}{(-2)^{4}}

= \frac{1}{(-2)^{3+4}}=\frac{1}{(-2)^{7}}

= (-2)^{-7}

Posted by

manish

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