Question

FILL IN THE BLANKS:
The value of (-9)^-7 x(-9)^-6 x (-9)^13
​

Answer 1

Answer:

1

Step-by-step explanation:

$( - 9) ^{ - 7} \times ( - 9 ) ^{ - 6} \times ( { - 9})^{13} \\ = (-9 ) ^{ - 7 - 6 + 13} \\ =( - 9) ^{0} \\= 1$