```
1. Solve the following:
(a) (a
```^{12} b^{12} a^{-16})/(a^{11} b^{20} )
(b) (x^{-14} y^{12} x^{19})/(x^{17} y^{19} )
(c) (a^{-24} b^{16} a^{21})/(a^{16} b^{14} )
(d) (a^{-19} b^{21})/(a^{11} b^{22} )
2. Solve the following:
(a) x^{-6} × x^{-13}
(b) x^{17} × x^{16}
(c) a^{-19} × a^{18}
(d) x^{-25} × x^{-18}
3. Solve the following:
(a) a^{-13}/a^{-25}
(b) b^{-23}/b^{13}
(c) a^{11}/a^{16}
(d) x^{(-9)}/x^{13}
4. Find out the value of following exponents:
(a) 25^{0}
(b) 2 x a^{0}
(c) (4/6)^{0}
(d) (-62)^{0}
5. Find out the value of following exponents:
(a) 15^{(-1)}
(b) p^{(-1)}
(c) (5/9)^{(-1)}
(d) 18^{(-1)}
6. Find the value of a^{m}×a^{n} if
(a) m = 11, n = 19
(b) m = -7, n = 9
(c) m = -5, n = -7
(d) m = 4, n = -6
7. Find the value of a^{m}÷a^{n} if
(a) m = 16, n = 14
(b) m = -15, n = 10
(c) m = -51, n = -17
(d) m = 24, n = -16

Use “^” sign to show power.

For example: if you want to write a^{5}

Write it as a^5