Question

2. Simplify the following
i.
21. 8
x
-32. 35​

Answer 1

Answer:

answer is Electricity is the greatest gift of science to mankind. We have reached a point of our civilization when electricity is used for all purposes. Without it, our existence will be impossible. Electricity is a source of energy. It is produced by a battery or a coil of wires or by dynamo machine. It is produced in thermal station and also in hydro-project.

There are various wonders of electricity. The most important of all is electric fan and electric light. These two things have improved our living standard and also efficiency of work. Our houses, roads, offices and shops are lighted. It is difficult and sometimes impossible to work in an office where there is no light and fan.

Students read comfortably in a room which is properly furnished with electric light and fan. Fan is not a luxurious thing. It is necessary to fight heat during summer. Electricity is essential to operate fan in summer and electric heater in winter. In cold winter, electric heaters warm our rooms.

Answer 2

21.8×-32.35= -705.2300 = -705.23

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