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(ii) 25×52×t8103×t4\frac{25 \times 5^{2} \times t^{8}}{10^{3} \times t^{4}}

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Q. (ii) 25×52×t8103×t4\frac{25 \times 5^{2} \times t^{8}}{10^{3} \times t^{4}}
  1. Identify Given Expression: Identify the given expression and break it down into smaller parts that can be simplified individually.\newlineThe expression is (25×52×t8)/(103×t4)(25 \times 5^{2} \times t^{8}) / (10^{3} \times t^{4}).
  2. Simplify Numerical Part: Simplify the numerical part of the expression by dividing 2525 by 10310^{3}. Since 10310^{3} is 10×10×1010 \times 10 \times 10, which equals 10001000, we can simplify 25/100025 / 1000 to 1/401 / 40 by dividing both the numerator and the denominator by 2525.
  3. Simplify Powers of 55: Simplify the powers of 55 by recognizing that 525^{2} is part of the numerator and 10310^{3} in the denominator has a factor of 535^{3}. Since 1010 is 5×25 \times 2, we can rewrite 10310^{3} as (5×2)3(5 \times 2)^{3}, which is 53×235^{3} \times 2^{3}. Now we can cancel out 525^{2} from the numerator with part of 535^{3} in the denominator, leaving us with 525^{2}11 in the denominator.
  4. Simplify Powers of t: Simplify the powers of tt by recognizing that t8t^{8} is in the numerator and t4t^{4} is in the denominator.\newlineWe can divide t8t^{8} by t4t^{4} to get t84t^{8-4}, which simplifies to t4t^{4}.
  5. Combine Simplified Parts: Combine the simplified parts to form the final simplified expression.\newlineWe have 1/401 / 40 from the numerical part, 1/51 / 5 from the powers of 55, and t4t^{4} from the powers of tt.\newlineMultiplying these together, we get (1/40)×(1/5)×t4(1 / 40) \times (1 / 5) \times t^{4}.
  6. Further Simplify Numerical Part: Simplify the numerical part further by multiplying 140\frac{1}{40} by 15\frac{1}{5}. \newline140×15\frac{1}{40} \times \frac{1}{5} equals 1200\frac{1}{200}.
  7. Write Final Expression: Write the final simplified expression.\newlineThe final simplified expression is (1/200)×t4(1 / 200) \times t^{4}, or t4/200t^{4} / 200.

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