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.

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