Mathematics Exercise 2.5 Rational Numbers
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Questions and Answers

In the given text, what is the result of 14.49 ÷ 7?

  • 2.09
  • 2.07 (correct)
  • 2.06
  • 2.08

Which operation in the text involves the number 273?

  • 273 - 24 (correct)
  • 273 + 10
  • 273 ÷ 10
  • 273 ÷ 100

What is the value of 3.25 + 0.5 in the given text?

  • 3.45
  • 3.35
  • 3.75 (correct)
  • 3.55

If a vehicle covers a distance of 43.2 km in 2.4 litres of petrol, how much distance will it cover in one litre of petrol?

<p>17.5 km (C)</p> Signup and view all the answers

In the given text, what is the result of 65.46 - 0.80?

<p>64.66 (A), 64.66 (B), 64.66 (C), 64.66 (D)</p> Signup and view all the answers

What is the product of 23.6 and 100 in the given text?

<p>2360 (A), 2360 (B), 2360 (C), 2360 (D)</p> Signup and view all the answers

Which of the following operations involves rationalized expressions in the given text?

<p>30.94 ÷ 0.7 (B)</p> Signup and view all the answers

If a vehicle covers a distance of 43.2 km in 2.4 litres of petrol, how much petrol will it need to cover 86.4 km?

<p>4.8 liters (A), 4.8 liters (B), 4.8 liters (C), 4.8 liters (D)</p> Signup and view all the answers

What is the first step to multiply fractions?

<p>Find a common denominator (B)</p> Signup and view all the answers

In multiplying fractions, what should be done if the fractions have different denominators?

<p>Find a common denominator (D)</p> Signup and view all the answers

What is the final step in multiplying fractions?

<p>Simplify the fraction (B)</p> Signup and view all the answers

What does simplifying a fraction involve?

<p>Reducing it to its simplest form (A)</p> Signup and view all the answers

What is the second step to multiply fractions?

<p>Multiply the numerators (D)</p> Signup and view all the answers

What are the steps involved in simplifying fractions, according to the text?

<p>Identification, division, further simplification (A)</p> Signup and view all the answers

In the fraction word problem example, what is the total pizza each friend receives?

<p>$\frac{1}{3}$ (D)</p> Signup and view all the answers

What is the first step in mixed numbers multiplication according to the text?

<p>Convert the mixed numbers to improper fractions (C)</p> Signup and view all the answers

What is the least common multiple of 6 and 4 in the fraction word problem example?

<p>12 (C)</p> Signup and view all the answers

What is the greatest common factor of 12 and 22 in the fraction simplification example?

<p>2 (B)</p> Signup and view all the answers

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