Exponents and radicals questions | form two Basic Mathematics

(3341) Question Category: Mathematical Calculation

Given sqrt{2}=1.4142 (to 5 significant figures). Find the following to 4 significant figures; without using tables;

  1. sqrt{3200}
  2. sqrt{0.0008}

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(3342) Question Category: Mathematical Calculation

Find an expression for Pa from V_{t}=frac{E}{P_{a}/P_{f}-P_{a}/P_{o}}

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(3438) Question Category: Mathematical Calculation

Simplify the expressions:
(i) (3 + √2 )(4 − 2 √2 ),
(ii) √40×√45 .

Answer / Solution

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(4422) Question Category: Mathematical Calculation

Use laws of exponents to simplify frac{(2r^{3})^{2}}{(2r)^{3}}.

Answer / Solution

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(4439) Question Category: Mathematical Calculation

Rationalize the denominator of frac{sqrt{2}}{sqrt{10}-sqrt{2}}

Answer / Solution

UNSOLVED

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