What is the product in simplest form? State any restrictions on the variable.

four a to the fifth power over seven b to the fourth power times two b squared over two a to the fourth power
(1 point)
Responses

four a to the ninth power over seven b to the sixth power where a does not equal zero and b does not equal zero
Image with alt text: four a to the ninth power over seven b to the sixth power where a does not equal zero and b does not equal zero

four a over seven b squared where a and b both do not equal zero
Image with alt text: four a over seven b squared where a and b both do not equal zero

seven b squared over four a where a and b both do not equal zero
Image with alt text: seven b squared over four a where a and b both do not equal zero

four over seven times a to the ninth power times b to the sixth power where a and b both do not equal zero

Image with alt text: four over seven times a to the ninth power times b to the sixth power where a and b both do not equal zero

can you write this with symbols instead please?

The product in simplest form is 4a^9 / 7b^6 where a and b are nonzero.