Question

simplify (3^-7÷3^-9)×3


with full explanation​

Answer 1

Answer:

$(3 {}^{ - 7} \div 3 {}^{ - 9} ) \times 3$

$( \frac{3 {}^{ - 7} }{3 {}^{ - 9} } ) \times 3$

$(3 {}^{ - 7 - ( - 9)} ) \times 3$

$(3 {}^{ - 7 + 9} ) \times 3$

$3 {}^{2} \times 3$

$3 {}^{2 + 1}$

$= 3 {}^{3}$

$= 27$

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