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#### Term 2 Algebra Three Marks

7th Standard EM

Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 45
15 x 3 = 45
1. Express 729 in exponential form.

2. Express the following numbers in exponential form with the given base:
243, base 3.

3. Find the value of
(−7)2

4. Find the value of 23 + 32

5. Which is greater 34 or 43?

6. Simplify using Product Rule of exponents.
33 × 32 × 34

7. Simplify using Product Rule of exponents.
25 × 32 × 625 × 64

8. Simplify using quotient rule of exponents.
$\frac { { 2 }^{ 8 }\times { 3 }^{ 5 }\times { 5 }^{ 4 } }{ { 3 }^{ 3 }\times { 5 }^{ 3 }\times { 2 }^{ 4 } }$

9. Simplify using quotient rule of exponents.
$\frac { { 6 }^{ 4 } }{ { 6 }^{ 0 } }$

10. Simplify using power rule of exponents.
(83)4

11. Simplify using power rule of exponents.
(26)2 x (24)7

12. Simplify by using the law of exponents.
613 x 4813 ÷ 1213

13. Find the degree of the following expressions.
-4xy2z3

14. Find the degree of the following expressions.
12xyz − 3x3y2z + z8

15. Subtract x3 − x2 + x + 3 from 3x3 − 2x2 − 7x + 6 and find the degree.