# Math

posted by
**I REALLY NEED HELP, D:**
.

Simplify the expression. Write your answer using only positive exponents.

Explain as well.

1. (8x)^3*8^-4

2. 2x^-5*y^-3

3. (4x^4y^-3)^-2

4. 1/(3x)^-2

posted by
**I REALLY NEED HELP, D:**
.

Simplify the expression. Write your answer using only positive exponents.

Explain as well.

1. (8x)^3*8^-4

2. 2x^-5*y^-3

3. (4x^4y^-3)^-2

4. 1/(3x)^-2