#### Term 2 - Real Numbers Two Marks Questions

9th Standard

Reg.No. :
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Maths

Time : 00:45:00 Hrs
Total Marks : 20
10 x 2 = 20
1. Use a fractional index to write: $\sqrt{5}$

2. Use a fractional index to write: $\left( \sqrt [ 3 ]{ 49 } \right) ^{ 5 }$

3. Use a fractional index to write: $\left( \frac { 1 }{ \sqrt [ 3 ]{ 100 } } \right) ^{ 7 }$

4. Given $\sqrt{2}$=1.414, find the value of $\frac { 8-5\sqrt { 2 } }{ 3-2\sqrt { 2 } }$  (to 3 places of decimals).

5. Simplify: (8.41 x 104) ÷ (4.3 x 105)

6. Evaluate: 10-6

7. Evaluate: $\left( \frac { 1 }{ 3 } \right) ^{ -2 }$

8. Express each of the following surds in its simplest form $\sqrt [ 3 ]{ 108 }$

9. Simplify the following: $\sqrt { 63 } -\sqrt { 175 } +\sqrt { 28 }$

10. Write the following numbers in decimal form:
6.34 x 104