simplify each expression
1. (p^4q^2)(p^7q^5)
2. 45y^3z^10/5y^3z
3. (4h^5 k^3)(15k^2h^3)
4. 12a^4b^6/36ab^2c
5. (3m^2n)^4
6. (-5a^2b)()
7. (3x^4y)(2y^2)^3

1. (p^4q^2)(p^7q^5)
= p^11 q^7

2. 45y^3z^10/5y^3z
= 9 z^9

3. (4h^5 k^3)(15k^2h^3)
= 60 h^8 k^5

4. 12a^4b^6/36ab^2c
= a^3b^4 / 3c

5. (3m^2n)^4
= 81 m^8 n^4

6. (-5a^2b)(2ab^2c)(-3b)
= 30 a^3 b^4 c

7. (3x^4y)(2y^2)^3
= (3x^4y)(8y^6)
= 24 x^4 y^7

What’s the question?