Question

simplify :- (-7)^6 × (-7)^-9​

Answer 1

$( - 7)^{2} \times ( - 7)^{ - 9} \\ \\( - 7)^{2 - 9} \\ \\ ( - 7)^{ - 7} \\ \\ \dfrac{1}{ {7}^{7} }$

Answer 2

Answer:

-1/343

Step-by-step explanation:

= (-7)(6-9)

= ( -7 )-3

= 1/(-7)3

where (-7)3= -343

= -1/343