**Q.1: Find the value of 1/4 ^{(-2)}**

a) (-8)

b) 16

c) 1/(-16)

**Q.2: Express 8 ^{(-2)} as a power with the base 2.**

a) 2^{(-8)}

b) 2^{(-4)}

c) 2^{(-6)}

**Q.3: Find the value of 5 ^{(-2)}**

a) 1/10

b) 1/25

c) 1/20

**Q.4: Write the answer of (-2) ^{(-3)} x (-5)^{(-3)} in exponential form.**

a) 1/10^{3}

b) 1/(-10)^{3}

c) 1/10^{(-3)}

**Q.5: Find the value of n so that (-10) ^{n} x (-10)^{5} = (-10)^{(-3)}**

a) n=(-2)

b) n=(-7)

c) n=(-8)

**Q.6: Write 162500000 in standard form.**

a) 1.625 x 10^{8}

b) 1.625 x 10^{5}

c) 1.625 x 10^{(-5)}

**Q.7: Write 0.000012 in standard form.**

a) 12 x 10^{(-6)}

b) 12 x 10^{6}

c) 12 x 10^{(-4)}

**Q.8: Express 4.4 x 10 ^{5} in usual form.**

a) 44,00,000

b) 4,40,000

c) 44,000

**Q.9: Express the result of (-2) ^{(-3)} x (-2)^{(-3)} in power notation with positive exponent.**

a) (-2)^{6}

b) 2^{6}

c) 1/(-2)^{6}

**Q.10: Express 8.16347 x 10 ^{6} in usual form.**

a) 8163470

b) 8164370

c) 816347

**Answers:**

- b
- c
- b
- a
- b
- a
- a
- b
- c
- a