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Answer :
Let's go through each part of the question step by step:
Evaluate:
(i) [tex](1.2)^2[/tex]
To calculate [tex](1.2)^2[/tex], multiply 1.2 by itself:
[tex]1.2 \times 1.2 = 1.44[/tex]
(ii) [tex](0.7)^2[/tex]
To calculate [tex](0.7)^2[/tex], multiply 0.7 by itself:
[tex]0.7 \times 0.7 = 0.49[/tex]
(iii) [tex](0.04)^2[/tex]
To calculate [tex](0.04)^2[/tex], multiply 0.04 by itself:
[tex]0.04 \times 0.04 = 0.0016[/tex]
(iv) [tex](0.11)^2[/tex]
To calculate [tex](0.11)^2[/tex], multiply 0.11 by itself:
[tex]0.11 \times 0.11 = 0.0121[/tex]
Evaluate:
(i) [tex](0.3)^3[/tex]
To calculate [tex](0.3)^3[/tex], multiply 0.3 by itself three times:
[tex]0.3 \times 0.3 \times 0.3 = 0.027[/tex]
(ii) [tex](0.05)^3[/tex]
To calculate [tex](0.05)^3[/tex], multiply 0.05 by itself three times:
[tex]0.05 \times 0.05 \times 0.05 = 0.000125[/tex]
(iii) [tex](1.5)^3[/tex]
To calculate [tex](1.5)^3[/tex], multiply 1.5 by itself three times:
[tex]1.5 \times 1.5 \times 1.5 = 3.375[/tex]
A bus can cover 62.5 km in one hour. How much distance can it cover in 18 hours?
If the bus covers 62.5 km in one hour, in 18 hours it will cover:
[tex]62.5 \times 18 = 1125 \text{ km}[/tex]
A tin of oil weighs 16.8 kg. What is the weight of 45 such tins?
If one tin weighs 16.8 kg, then 45 tins will weigh:
[tex]16.8 \times 45 = 756 \text{ kg}[/tex]
A bag of wheat weighs 97.8 kg. How much wheat is contained in 500 such bags?
If one bag weighs 97.8 kg, then 500 bags will weigh:
[tex]97.8 \times 500 = 48900 \text{ kg}[/tex]
Find the weight of 16 bags of sugar, each weighing 48.450 kg.
The total weight for 16 bags each weighing 48.450 kg is:
[tex]48.450 \times 16 = 775.2 \text{ kg}[/tex]
A small bottle holds 0.845 kg of sauce. How much sauce will be there in 72 such bottles?
The total weight of sauce in 72 bottles is:
[tex]0.845 \times 72 = 60.84 \text{ kg}[/tex]
A bottle holds 925 g of jam. How many kg of jam will be there in 25 such bottles?
First, convert grams to kilograms. Since 1 kg = 1000 g, a bottle holds 0.925 kg.
So, for 25 bottles:
[tex]0.925 \times 25 = 23.125 \text{ kg}[/tex]
If one drum can hold 16.850 litres of oil, how many litres can 48 such drums hold?
The total volume of oil in 48 drums is:
[tex]16.850 \times 48 = 808.8 \text{ litres}[/tex]
1 kg of rice costs ₹56.80. What is the cost of 16.25 kg of rice?
To find the cost of 16.25 kg of rice:
[tex]56.80 \times 16.25 = ₹922[/tex]
1 metre of cloth costs ₹108.50. What is the cost of 18.5 metres of this cloth?
The cost for 18.5 metres of cloth is:
[tex]108.50 \times 18.5 = ₹2006.25[/tex]
A car can cover a distance of 8.6 km on one litre of petrol. How far can it go on 36.5 litres of petrol?
The distance covered by the car on 36.5 litres of petrol is:
[tex]8.6 \times 36.5 = 313.9 \text{ km}[/tex]
A taxi driver charges ₹9.80 per km. How much will he charge for a journey of 106.5 km?
The taxi fare for 106.5 km is:
[tex]9.80 \times 106.5 = ₹1043.70[/tex]
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Rewritten by : Jeany
