Mathematics Exercise 2.5 Rational Numbers

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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?

17.5 km Signup and view all the answers

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

64.66 Signup and view all the answers

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

2360 Signup and view all the answers

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

30.94 ÷ 0.7 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?

4.8 liters Signup and view all the answers

What is the first step to multiply fractions?

Find a common denominator Signup and view all the answers

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

Find a common denominator Signup and view all the answers

What is the final step in multiplying fractions?

Simplify the fraction Signup and view all the answers

What does simplifying a fraction involve?

Reducing it to its simplest form Signup and view all the answers

What is the second step to multiply fractions?

Multiply the numerators Signup and view all the answers

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

Identification, division, further simplification Signup and view all the answers

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

$\frac{1}{3}$ Signup and view all the answers

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

Convert the mixed numbers to improper fractions Signup and view all the answers

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

12 Signup and view all the answers

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

2 Signup and view all the answers