Answer:
Step-by-step explanation:

Answer:
ok it is there is no question lol
Step-by-step explanation:
Answer:
Lol 2 anyways have a great day :)
Step-by-step explanation:
The answer to this is D, $990.00
(b⁷/4⁵)⁻³
= (4⁵/b⁷)³
= 4¹⁵/b²¹
Therefore answer is option b
Must click thanks and mark brainliest