Question

simplify (3^-7÷3^-9)×3^-4​

Answer 1

$(3 ^{ - 7} \div {3}^{ - 9} ) \times {3}^{ - 4} \\ = 9 \times 0.012 \\ = 0.108$

Answer 2

Answer:

3^-8

Step-by-step explanation:

3^-7-(-9) x 3^-4

3^-7+9 x 3^-4

3^2 x 3^-4

3^-8

hope it is correct